湖州傾斜輸送滾筒輸送機生產商
帶式(shi)輸(shu)送(song)機(ji)的(de)(de)(de)傳動(dong)(dong)系(xi)統(tong)(tong)主要通(tong)過異步(bu)電(dian)(dian)動(dong)(dong)機(ji)配合(he)減速(su)(su)器(qi)和液(ye)力偶合(he)器(qi)等(deng)來驅(qu)(qu)動(dong)(dong)主滾(gun)筒(tong)。這種驅(qu)(qu)動(dong)(dong)方(fang)式(shi)雖然可以(yi)實(shi)現低(di)速(su)(su)大(da)(da)轉(zhuan)(zhuan)矩(ju)輸(shu)出(chu),但其工作效(xiao)(xiao)率等(deng)于各部件的(de)(de)(de)效(xiao)(xiao)率相乘,總(zong)的(de)(de)(de)工作效(xiao)(xiao)率低(di),能(neng)量損耗大(da)(da),而且液(ye)力偶合(he)器(qi)的(de)(de)(de)維護工作量大(da)(da),還存在(zai)機(ji)械振(zhen)(zhen)動(dong)(dong)、滲油、漏油等(deng)問題。永磁同步(bu)電(dian)(dian)動(dong)(dong)機(ji)(PMSM)可以(yi)在(zai)低(di)速(su)(su)條(tiao)件下(xia)實(shi)現大(da)(da)轉(zhuan)(zhuan)矩(ju)輸(shu)出(chu),與(yu)異步(bu)電(dian)(dian)動(dong)(dong)機(ji)相比(bi),PMSM有著比(bi)較明顯的(de)(de)(de)性(xing)能(neng)優勢。在(zai)直(zhi)(zhi)(zhi)驅(qu)(qu)滾(gun)筒(tong)PMSM的(de)(de)(de)矢量控制系(xi)統(tong)(tong)中,由于帶式(shi)輸(shu)送(song)機(ji)工作環(huan)境惡(e)劣,轉(zhuan)(zhuan)子(zi)位(wei)(wei)置(zhi)和速(su)(su)度參數的(de)(de)(de)測量不(bu)適(shi)宜(yi)通(tong)過安裝外部位(wei)(wei)置(zhi)傳感(gan)器(qi)的(de)(de)(de)方(fang)式(shi)獲(huo)得。為簡化系(xi)統(tong)(tong)的(de)(de)(de)硬件結構,增加可靠性(xing),直(zhi)(zhi)(zhi)驅(qu)(qu)滾(gun)筒(tong)PMSM更適(shi)合(he)采(cai)用(yong)(yong)無傳感(gan)器(qi)的(de)(de)(de)估算(suan)方(fang)法來獲(huo)取(qu)轉(zhuan)(zhuan)子(zi)位(wei)(wei)置(zhi)角(jiao)和速(su)(su)度參數。目(mu)前應用(yong)(yong)較多的(de)(de)(de)采(cai)用(yong)(yong)無傳感(gan)器(qi)的(de)(de)(de)位(wei)(wei)置(zhi)/速(su)(su)度估算(suan)方(fang)法有反(fan)電(dian)(dian)動(dong)(dong)勢估算(suan)法、三次檢測諧法、高(gao)頻(pin)脈振(zhen)(zhen)信(xin)號(hao)(hao)注入(ru)(ru)法等(deng)。高(gao)頻(pin)脈振(zhen)(zhen)注入(ru)(ru)法的(de)(de)(de)估計(ji)穩態(tai)(tai)誤差(cha)不(bu)受濾波器(qi)影響(xiang),其注入(ru)(ru)信(xin)號(hao)(hao)與(yu)電(dian)(dian)動(dong)(dong)機(ji)運行狀態(tai)(tai)無關,位(wei)(wei)置(zhi)估計(ji)也(ye)不(bu)受電(dian)(dian)動(dong)(dong)機(ji)參數變化的(de)(de)(de)影響(xiang),因此,直(zhi)(zhi)(zhi)驅(qu)(qu)滾(gun)筒(tong)低(di)速(su)(su)狀態(tai)(tai)下(xia)轉(zhuan)(zhuan)子(zi)位(wei)(wei)置(zhi)和速(su)(su)度的(de)(de)(de)估算(suan)宜(yi)采(cai)用(yong)(yong)高(gao)頻(pin)脈振(zhen)(zhen)信(xin)號(hao)(hao)注入(ru)(ru)法。直(zhi)(zhi)(zhi)角(jiao)滾(gun)筒(tong)輸(shu)送(song)機(ji)去哪買?湖(hu)州傾斜(xie)輸(shu)送(song)滾(gun)筒(tong)輸(shu)送(song)機(ji)生產(chan)商
滾筒輸送機滾(gun)筒(tong)(tong)輸(shu)(shu)(shu)送(song)(song)線之間易于(yu)銜接(jie)過濾(lv),滾(gun)筒(tong)(tong)輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)(ji)(ji)按材質可分為(wei)碳鋼滾(gun)筒(tong)(tong)輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)(ji)(ji),不銹(xiu)鋼滾(gun)筒(tong)(tong)輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)(ji)(ji)。按照輸(shu)(shu)(shu)送(song)(song)形式(shi)(shi)可分為(wei)直線滾(gun)筒(tong)(tong)輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)(ji)(ji),轉彎滾(gun)筒(tong)(tong)輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)(ji)(ji),螺旋滾(gun)筒(tong)(tong)輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)(ji)(ji)。1.滾(gun)筒(tong)(tong)輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)(ji)(ji)挑選電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)(ji)類(lei)型和結(jie)構方式(shi)(shi)滾(gun)筒(tong)(tong)輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)作業能機(ji)(ji)(ji)(ji)分溝(gou)(gou)通電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)(ji)和直流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)(ji)兩種(zhong)。因(yin)為(wei)直流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)(ji)需求(qiu)直流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)源,結(jie)構雜亂,價格較(jiao)高(gao),維護比較(jiao)方便利(li),因(yin)而無特(te)珠要求(qiu)時不宜選用。出(chu)產單位一般用三(san)相溝(gou)(gou)通電(dian)(dian)(dian)(dian)(dian)源,因(yin)而,如果無特(te)殊(shu)要求(qiu)都(dou)應(ying)該選用溝(gou)(gou)通電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)(ji)。溝(gou)(gou)通電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)(ji)有(you)異步電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)(ji)和同頻電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)(ji)(ji)兩類(lei)。湖(hu)州傾斜輸(shu)(shu)(shu)送(song)(song)滾(gun)筒(tong)(tong)輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)(ji)(ji)生產商上海直角滾(gun)筒(tong)(tong)輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)(ji)(ji)制造哪家專(zhuan)業?
滾(gun)筒(tong)輸(shu)(shu)送(song)(song)機(ji)之間(jian)易(yi)于銜(xian)接過渡,可(ke)用(yong)多(duo)(duo)條(tiao)滾(gun)筒(tong)線及其它(ta)輸(shu)(shu)送(song)(song)設備或專機(ji)組(zu)(zu)(zu)成(cheng)復雜(za)的(de)物(wu)(wu)流(liu)輸(shu)(shu)送(song)(song)系統。滾(gun)筒(tong)輸(shu)(shu)送(song)(song)機(ji)適用(yong)于底(di)部是平面的(de)物(wu)(wu)品(pin)輸(shu)(shu)送(song)(song),主要由傳(chuan)動滾(gun)筒(tong)、機(ji)架、支架、驅動裝置等部分(fen)組(zu)(zu)(zu)成(cheng)。具(ju)有輸(shu)(shu)送(song)(song)量(liang)大(da)(da),速度(du)快(kuai),運轉(zhuan)輕快(kuai),能夠實(shi)現多(duo)(duo)品(pin)種共線分(fen)流(liu)輸(shu)(shu)送(song)(song)的(de)特點(dian)。滾(gun)筒(tong)輸(shu)(shu)送(song)(song)機(ji)適用(yong)于各類箱(xiang)、包、托(tuo)盤等件貨的(de)輸(shu)(shu)送(song)(song),散料、小件物(wu)(wu)品(pin)或不規則的(de)物(wu)(wu)品(pin)需放在托(tuo)盤上(shang)或周轉(zhuan)箱(xiang)內輸(shu)(shu)送(song)(song)。能夠輸(shu)(shu)送(song)(song)單件重量(liang)很大(da)(da)的(de)物(wu)(wu)料,或承(cheng)受較大(da)(da)的(de)沖擊載荷,滾(gun)筒(tong)線之間(jian)易(yi)于銜(xian)接過濾,可(ke)用(yong)多(duo)(duo)條(tiao)滾(gun)筒(tong)線及其它(ta)輸(shu)(shu)送(song)(song)機(ji)或專機(ji)組(zu)(zu)(zu)成(cheng)復雜(za)的(de)物(wu)(wu)流(liu)輸(shu)(shu)送(song)(song)系統,完成(cheng)多(duo)(duo)方面的(de)工藝需要。可(ke)采用(yong)積放滾(gun)筒(tong)實(shi)現物(wu)(wu)料的(de)堆積輸(shu)(shu)送(song)(song)。滾(gun)筒(tong)輸(shu)(shu)送(song)(song)機(ji)結構(gou)簡單,可(ke)靠性高,使用(yong)維護方便。
滾(gun)(gun)筒(tong)(tong)輸(shu)(shu)送(song)(song)(song)機具(ju)(ju)有輸(shu)(shu)送(song)(song)(song)量(liang)大,速(su)度快(kuai),運轉(zhuan)輕快(kuai),能(neng)夠(gou)實(shi)現(xian)(xian)多品種共線(xian)分流輸(shu)(shu)送(song)(song)(song)的(de)特點。滾(gun)(gun)筒(tong)(tong)輸(shu)(shu)送(song)(song)(song)機之間易于(yu)銜接過濾,可用(yong)多條滾(gun)(gun)筒(tong)(tong)線(xian)及(ji)其它輸(shu)(shu)送(song)(song)(song)設備或專機組成復雜的(de)物流輸(shu)(shu)送(song)(song)(song)系(xi)統,完(wan)成多方面的(de)工藝需(xu)要。可采用(yong)積放滾(gun)(gun)筒(tong)(tong)實(shi)現(xian)(xian)物料(liao)的(de)堆(dui)積輸(shu)(shu)送(song)(song)(song)。滾(gun)(gun)筒(tong)(tong)輸(shu)(shu)送(song)(song)(song)機結構簡單,可靠性高,使用(yong)維護方便。滾(gun)(gun)筒(tong)(tong)輸(shu)(shu)送(song)(song)(song)機適(shi)用(yong)于(yu)底(di)部(bu)是平面的(de)物品輸(shu)(shu)送(song)(song)(song),主要由傳動滾(gun)(gun)筒(tong)(tong)、機架、支架、驅(qu)動部(bu)等部(bu)分組成。具(ju)(ju)有輸(shu)(shu)送(song)(song)(song)量(liang)大,速(su)度快(kuai),運轉(zhuan)輕快(kuai),能(neng)夠(gou)實(shi)現(xian)(xian)多品種共線(xian)分流輸(shu)(shu)送(song)(song)(song)的(de)特點。上海直角滾(gun)(gun)筒(tong)(tong)輸(shu)(shu)送(song)(song)(song)機去哪(na)買?
滾(gun)(gun)(gun)筒(tong)(tong)輸(shu)(shu)送(song)(song)(song)機(ji)結構形(xing)(xing)式:從驅(qu)動(dong)(dong)形(xing)(xing)式上分(fen)為(wei)有(you)動(dong)(dong)力(li)、無動(dong)(dong)力(li)、電動(dong)(dong)滾(gun)(gun)(gun)筒(tong)(tong)等(deng),按(an)布局(ju)形(xing)(xing)式分(fen)為(wei)水平輸(shu)(shu)送(song)(song)(song),傾斜(xie)輸(shu)(shu)送(song)(song)(song)和(he)轉(zhuan)彎(wan)輸(shu)(shu)送(song)(song)(song)。尺(chi)寸(cun)規格:滾(gun)(gun)(gun)筒(tong)(tong)輸(shu)(shu)送(song)(song)(song)機(ji)內寬度(du)由客(ke)戶(hu)指定,可(ke)按(an)客(ke)戶(hu)需求制作,轉(zhuan)彎(wan)滾(gun)(gun)(gun)線標(biao)準轉(zhuan)彎(wan)內半徑為(wei)300、600、900、1200mm等(deng),也可(ke)按(an)客(ke)戶(hu)需求采用其它(ta)特殊規格。直(zhi)段滾(gun)(gun)(gun)筒(tong)(tong)所用的滾(gun)(gun)(gun)筒(tong)(tong)直(zhi) 徑有(you)38、50、60、76、89mm等(deng)。轉(zhuan)彎(wan)滾(gun)(gun)(gun)筒(tong)(tong)的錐度(du)我(wo)們會(hui)根(gen)據輸(shu)(shu)送(song)(song)(song)物體的重(zhong)量、外形(xing)(xing)尺(chi)寸(cun)、線速度(du)等(deng)來(lai)設計(ji)。機(ji)架(jia)材質(zhi):碳(tan)鋼噴(pen)塑,不銹鋼,鋁型(xing)材。 動(dong)(dong)力(li)方(fang)式:減速電機(ji)驅(qu)動(dong)(dong),電動(dong)(dong)滾(gun)(gun)(gun)筒(tong)(tong)驅(qu)動(dong)(dong)等(deng)形(xing)(xing)式。 上海直(zhi)角滾(gun)(gun)(gun)筒(tong)(tong)輸(shu)(shu)送(song)(song)(song)機(ji)定制請找上海語鼎自動(dong)(dong)化設備有(you)限公(gong)司。廣西分(fen)揀(jian)滾(gun)(gun)(gun)筒(tong)(tong)輸(shu)(shu)送(song)(song)(song)機(ji)公(gong)司
上海滾筒輸送(song)機設計(ji)廠(chang)家(jia)。湖州傾(qing)斜輸送(song)滾筒輸送(song)機生產(chan)商
動(dong)(dong)力(li)滾筒(tong)(tong)輸(shu)(shu)送(song)機(ji)(ji)(ji)大(da)多數用于底部是(shi)(shi)平面的(de)(de)物品運輸(shu)(shu),具(ju)有速(su)度非常(chang)快,運轉輕快,輸(shu)(shu)送(song)量大(da),能夠實現多品種共線分流輸(shu)(shu)送(song)的(de)(de)特點(dian);動(dong)(dong)力(li)滾筒(tong)(tong)輸(shu)(shu)送(song)機(ji)(ji)(ji)之間容易銜接過(guo)濾,可用多條滾筒(tong)(tong)傳(chuan)輸(shu)(shu)線及其他傳(chuan)輸(shu)(shu)設備,或者(zhe)專機(ji)(ji)(ji)組成(cheng)復雜的(de)(de)物流傳(chuan)輸(shu)(shu)系(xi)統,完成(cheng)多方的(de)(de)工(gong)(gong)藝(yi)需要。動(dong)(dong)力(li)滾筒(tong)(tong)輸(shu)(shu)送(song)機(ji)(ji)(ji)結(jie)構比(bi)較簡(jian)單,可靠性高,使(shi)用維護方便(bian)。動(dong)(dong)力(li)滾筒(tong)(tong)輸(shu)(shu)送(song)機(ji)(ji)(ji)主要由兩(liang)個(ge)端點(dian)滾筒(tong)(tong)及緊套其上的(de)(de)閉合輸(shu)(shu)送(song)帶組成(cheng)。動(dong)(dong)力(li)滾筒(tong)(tong)輸(shu)(shu)送(song)機(ji)(ji)(ji)在現在的(de)(de)工(gong)(gong)業生產(chan)(chan)中的(de)(de)使(shi)用是(shi)(shi)非常(chang)的(de)(de)普(pu)遍的(de)(de)。湖州傾(qing)斜輸(shu)(shu)送(song)滾筒(tong)(tong)輸(shu)(shu)送(song)機(ji)(ji)(ji)生產(chan)(chan)商
上海語鼎自(zi)(zi)動(dong)化設備(bei)有限公(gong)(gong)司(si)是以(yi)提供(gong)皮帶輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)(ji),滾筒輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)(ji),鏈(lian)(lian)條輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)(ji),鏈(lian)(lian)板輸(shu)(shu)(shu)送(song)(song)機(ji)(ji)(ji)為主(zhu)的有限責任公(gong)(gong)司(si)(自(zi)(zi)然),公(gong)(gong)司(si)始(shi)建(jian)(jian)于2018-01-24,在全國各個地區建(jian)(jian)立了良好的商貿渠道(dao)和(he)技術(shu)協作關系。上海語鼎致力(li)于構建(jian)(jian)機(ji)(ji)(ji)械(xie)及(ji)行業設備(bei)自(zi)(zi)主(zhu)創(chuang)新的競爭力(li),多年來,已經為我國機(ji)(ji)(ji)械(xie)及(ji)行業設備(bei)行業生產(chan)、經濟等的發展做(zuo)出了重要貢獻。
本文來(lai)自宜興(xing)市恒通(tong)風(feng)機有(you)限(xian)公司://vijoo.com.cn/Article/15c6099924.html
一次性無菌取樣勺歡(huan)迎選購(gou)
無菌取(qu)樣(yang)(yang)勺產品材質:聚丙(bing)烯 PP10,25,50,100ml)產品特點:扁(bian)平(ping)底座(zuo),結合錐形末端,確保了取(qu)樣(yang)(yang)勺可以實現(xian)平(ping)放;加(jia)固手柄,長度適(shi)中,握感(gan)舒適(shi)扁(bian)平(ping)鏟口(kou)設計(ji),前(qian)窄(zhai)后寬,便于使用;單(dan)個雙層微真空包 。
1、輪(lun)胎定位內孔是(shi)否有橢圓度(du),橢圓度(du)大(da)小是(shi)多少一般要控制在0.05mm以內)。橢圓度(du)過(guo)大(da)造成每次重復(fu)裝夾時與主軸不同心,導(dao)致(zhi)重復(fu)測(ce)量誤差。2、使用(yong)液(ye)壓夾具的用(yong)戶檢測(ce)液(ye)壓站壓力是(shi)否過(guo)大(da),導(dao)致(zhi)輪(lun)轂(gu)變形,從 。
目前,干冰(bing)清洗(xi)技術得到大(da)家(jia)的(de)認(ren)可,在工業清洗(xi)的(de)地位(wei)中(zhong)有一席之地,而(er)干冰(bing)清洗(xi)機是工業清洗(xi)設備(bei)的(de)一種,主要是利用(yong)空氣壓(ya)縮機強壓(ya)氣體將干冰(bing)顆粒(li)噴射到需要清洗(xi)的(de)工作表面(mian),然后利用(yong)干冰(bing)的(de)低溫物理反應將污垢脆化, 。
NEMA插頭(tou)是美(mei)國(guo)(guo)國(guo)(guo)家(jia)電器制造商協會NationalElectricalManufacturersAssociation)制定的一(yi)種(zhong)插頭(tou)標準,常(chang)用于美(mei)國(guo)(guo)和加拿(na)大的電力系統。以下是一(yi)些常(chang)見的NEMA插頭(tou) 。
Affinity®系列由3臺機(ji)器組成(cheng):美(mei)國Affinity,符合美(mei)國U.S.D.A標準,分別有(you)兩(liang)款,一種(zhong)是常規款,不帶輸送(song)帶的,另一種(zhong)是帶有(you)內置輸送(song)機(ji)的Affinity,第三種(zhong)是Affinit 。
傳統(tong)的(de)(de)冷卻液(ye)潤(run)滑(hua)方式需要大量的(de)(de)水資源(yuan),而且在使(shi)用(yong)過(guo)程中(zhong)會(hui)產生大量的(de)(de)廢液(ye)和廢氣,對(dui)環境(jing)造成嚴(yan)重的(de)(de)污染。而低溫微(wei)量潤(run)滑(hua)加工技(ji)術采(cai)用(yong)微(wei)量的(de)(de)潤(run)滑(hua)油,減少了潤(run)滑(hua)油的(de)(de)使(shi)用(yong)量,從而降低了對(dui)水資源(yuan)的(de)(de)消耗(hao)和對(dui)環境(jing)的(de)(de)污染 。
嚴格按照ISO9001質量管(guan)理(li)標準生產;目前正(zheng)在合作(zuo)的(de)客戶有:富士康、華為、緯創、仁寶、聯(lian)想、樂視等(deng)。衷心歡(huan)迎各界(jie)朋友蒞臨參(can)觀、指導和業務洽談(tan),互贏互利,共(gong)同發(fa)展(zhan)!汽(qi)車(che)線(xian)束BMS線(xian)束、新能源線(xian)束、機器 。
如今人(ren)們(men)對(dui)蠟(la)像(xiang)不陌生。其中一些(xie)是(shi)(shi)從蠟(la)像(xiang)館或主要旅游(you)景點的(de)(de)展覽區中學(xue)到的(de)(de),有些(xie)是(shi)(shi)通過(guo)電影利(li)l電視學(xue)到的(de)(de)。但是(shi)(shi)我們(men)看到的(de)(de)只是(shi)(shi)蠟(la)像(xiang)所顯示的(de)(de)一面。如果蠟(la)像(xiang)想要保持良(liang)好足(zu)夠長的(de)(de)使用壽命(ming),則必須進行日常維護。那(nei)么 。
冷彎(wan)是C型鋼(gang)加(jia)工過程中一(yi)道重(zhong)要的(de)工序,雖然(ran)說(shuo)(shuo),冷彎(wan)之后(hou)會有校正工序,但(dan)是我國生產(chan)的(de)C型鋼(gang)在(zai)放置一(yi)段時間后(hou)變形依然(ran)很嚴重(zhong),這說(shuo)(shuo)C型鋼(gang)有很大的(de)內應力的(de)存在(zai)。同時,C型鋼(gang)的(de)沖壓(ya)性能不是非常好(hao),在(zai)彎(wan)曲后(hou)回(hui)彈(dan)很 。
可加裝風扇(shan)通風。5、檢測對地(di)電(dian)(dian)壓(ya):監(jian)控室內,電(dian)(dian)源的(de)火(huo)線(xian)、零線(xian)、地(di)線(xian),按照規范連(lian)接。檢測量各設備“外殼”和“視頻電(dian)(dian)纜”對地(di)電(dian)(dian)壓(ya),電(dian)(dian)壓(ya)越高,越易造成“攝像機”的(de)損壞。避免(mian)“帶電(dian)(dian)拔(ba)插”視頻線(xian)。[2]監(jian)控系統 。
公交候(hou)(hou)(hou)車(che)亭日常養(yang)護需要做到即臟即擦、遇有下雪、在清(qing)雪當時趕快擦拭(shi)、正在擦拭(shi)的(de)(de)時候(hou)(hou)(hou)、須(xu)要用(yong)清(qing)潔的(de)(de)純棉軟(ruan)布(bu)擦、采用(yong)純綿軟(ruan)布(bu)不(bu)光讓候(hou)(hou)(hou)車(che)亭的(de)(de)外框頗為潔凈、還(huan)能提(ti)升候(hou)(hou)(hou)車(che)亭的(de)(de)運(yun)用(yong)壽命。若有的(de)(de)公交候(hou)(hou)(hou)車(che)亭破(po)損、須(xu)要實(shi) 。