例句與造句

1. Rolling bearings - full complement tapered roller thrust bearings for rolling mill screw - down mechanisms
   滾動軸承.軋機壓下機構(gòu)用滿裝圓錐滾子推力軸承
2. On the basis of analysis of design criterion of shaft washer and housing washer of tandem composite type cylindrical roller thrust bearing , we present a mathematic model for optimal design in accordance with line contact requirement for cylindrical roller and race , design the washers thickness and thickness variation angle by the search algorithm of constrained stochastic direction
   摘要在分析串聯(lián)組合型推力圓柱滾子軸承軸圈和座圈設(shè)計準則的基礎(chǔ)上，按滾子與滾道線接觸要求建立其最優(yōu)化設(shè)計數(shù)學模型，采用機械優(yōu)化設(shè)計中的約束隨機方向搜索法計算軸圈和座圈的厚度、厚度變化角。
3. It's difficult to find roller thrust bearing in a sentence. 用roller thrust bearing造句挺難的