例句與造句

1. After canvassing the basic theories and methods of reliability and optimization design of the transmission system , analyze the designs of the v - belt transmission , arc cone gear and disk spring separately . it is propitious to raise efficiency , improve capability , increase reliability , and decrease cost and so on
   在研究了機(jī)械可靠性優(yōu)化設(shè)計(jì)基本理論和方法之后，分別分析了v型帶傳動(dòng)、圓弧錐齒輪、液壓卡盤碟型彈簧的可靠性優(yōu)化設(shè)計(jì)，對(duì)其進(jìn)行針對(duì)性的研究，并通過(guò)試驗(yàn)對(duì)設(shè)計(jì)結(jié)果進(jìn)行檢驗(yàn)。
2. It's difficult to find disk spring in a sentence. 用disk spring造句挺難的