例句與造句

1. Add the butter into the rounded part such as the slip board , bearing , wheel , orbit in the fixed time
   下模滑板、壓桿軸承、偏心輪及導(dǎo)柱、導(dǎo)軌等傳動(dòng)部位定期加黃油，以保證機(jī)器的使用性能。
2. Abstract : this paper analyses the drawing technology of canopy , gives outthe gradual forming methods for inner ? concave round part , designs rational die structure , and introduces work principle of the die , the design and parameters of the main parts
   文摘:分析了燈座的拉深工藝，提出了凹形球環(huán)部分的逐段成形方法，設(shè)計(jì)了合理的模具結(jié)構(gòu)，介紹了模具的工作原理、主要工作零件的設(shè)計(jì)和參數(shù)。
3. It's difficult to find rounded part in a sentence. 用rounded part造句挺難的