主要 main; chief; principal; major 主要敌人 chief enemy; 这是一条繁忙的主要公路。 this is a busy main road. 这主要是由于我的过错。 it is mainly because of my fault.; 主要标志 outstanding feature; outstanding aspect; 主要部分 major component; meat and potatoes; 主要部件 critical piece; 主要产品 main products; prime product; staple products; 主要成本 prime cost; 主要成分 staple; 主要承保人 principal underwriter; 主要公路 primary road; 主要股东 principal shareholder; 主要合伙人 senior partner; 主要河流 trunk river; 主要话题 the staple of conversation; chief means; 主要环节 key link; 主要货币 key currency; 主要街道 arterial street; main street; 主要目的 major objective; 主要农作物 staple crops; 主要品种 principal item; 主要人物 major character; 主要市场 staple market; 主要特性 key property; leading features; prominent character; main characteristic; 主要特征 principal character; 主要条款 main clause; 主要问题 primal problem; 主要因素 major factor; primary factor; the be-all and end-all; 主要责任 ultimate liability; 主要证据 main evidence; 主要指标 leading indicator; major target; 主要指控 first charge; 主要重音 [语言学] main stress; primary accent; primary stress; principal stress; 主要罪行 major offense
The main parts of the machines adopt imported accessories and it has low rate of reparing . it can reduce customer , s cost of products 机器主要机件采用进口配件、返修率低,降低用户的产品成本。
Flour milling rollers are the critical of roller - milling machines . they are used to mill such grain as others into carious small flour products 磨辊是辊式磨粉机上的主要机件,用于将咖啡、麦芽、大麦、小麦及其他植物磨制成各种细度的粉状制品。
By applying the basic principles for optimizing design of structure based on the finite element method and aiming at the problems , such as nonlinear contact problem involved in special hydraulic spanner , the main part of tank track hydraulic regulator , etc . , the calculation analysis and study based on finite element optimization is conducted and the optimized size and shape of spanner are obtained , and the structural characteristics and stress state are obviously improved 摘要运用有限元法进行结构优化设计的基本原理,针对坦克履带液压调整器特种液压扳手主要机件所涉及非线性接触等问题,进行了有限元优化的计算分析与研究,得到了优化的形状与尺寸,结构特性与受力状况得到明显改善。