例句與造句

1. It can lead to not only quick wear and early failure of drill pipe but also the decrease of collapse resistance and burst resistance of casing string , which could cause casing collapse , casing deformation and casing leak , even well bore abandonment
   其直接后果是：鉆柱快速磨損，導(dǎo)致過(guò)早失效；套管磨損會(huì)降低套管柱的抗擠強(qiáng)度和抗內(nèi)壓強(qiáng)度，造成套管柱擠毀、變形及泄漏，嚴(yán)重時(shí)造成全井報(bào)廢。
2. By using finite element method , full - scale tests and the strain survey method , as for the crescent - shaped wear casing , this paper has discussed on mechanism of casing collapse and its influence on casing collapse . furthermore , computing method for both uniform wear and crescent - shaped wear situation was introduced , which can be used directly for casing string design
   采用有限元分析、實(shí)物試驗(yàn)及實(shí)驗(yàn)應(yīng)變測(cè)量方法，研究了套管產(chǎn)生不均勻磨損時(shí)的擠毀失效機(jī)理及其對(duì)套管擠毀性能的影響，確定了均勻磨損和不均勻磨損對(duì)套管擠毀性能的計(jì)算方法，研究結(jié)果可直接用于套管柱強(qiáng)度設(shè)計(jì)和校核中。
3. It's difficult to find casing collapse in a sentence. 用casing collapse造句挺難的