This project has been an exemplification of Chinese universities.本工程对于国内各类院校具有极大的示范作用.And this article has mainly stat and literature summarization, comparative analysis, exemplification and induction.本文的研究方法主要为文献综述法 、 比...
当压力改变时,阀帽容易上下移动.Bonnet tendency to move up or down as pressure changes.阀帽: 不需要将阀门从管路中拆除,就可以进入维护铰链和阀瓣.Cap: permits access to hinge and disc without removing valve from line.止回阀标签通常安置在阀帽的边缘上.Check valve tags are typically ...
Do pair of hackers trade on stockjobber net with respect to impregnable?证券公司网上交易对黑客就固若金汤?Should you ask be stockjobber?您问得应该是证券公司吧?Stockjobber employee must not participate in program of broadcasting television negotiabl...
They've stooped to using any and every weapon at their disposal.他们已经无耻到把能用的武器都用上了。He stooped to pick up the carrier bag of groceries.他俯下身去提装着食品杂货的购物袋。She stooped down to pick up the child.她俯身抱起孩子。...