例句與造句

1. in the first part, the method of velocity coefficient was used to design a 100mm diameter impeller with five single-arc-cylinder blades, and the method of velocity moment was applied to design the volute " s cross-section . the volute " s cross-section is a rectangle, which was designed as a whole structure with the front shroud of the pump . a special lighting window was designed on the side
   在第一部分工作中，設(shè)計(jì)了一個(gè)帶半開式葉輪的微型泵：葉輪外徑100mm、共5片單圓弧圓柱形葉片；蝸殼采用速度矩法設(shè)計(jì)，內(nèi)為矩形斷面，和泵殼前蓋板為一整體、透明結(jié)構(gòu)，側(cè)面專門設(shè)計(jì)一個(gè)打光窗口。
2. It's difficult to find front shroud in a sentence. 用front shroud造句挺難的