first gear是什么意思

网络释义

用法例句

Numerical analysis of motorbike profile modified gear forming and optimization of its mould structure;

摩托车档位齿轮成形数值分析与模具结构优化

The rational rough and technological parameter of profile modified gear is gained by analysis and optimizing of forming, and the preliminary shaping size of product is defined.

根据摩托车档位齿轮的产品特点,进行成型工艺分析优化,获得合理的产品精化毛坯,拔模斜度等参数,获取产品的预成型毛坯尺寸。

The practical structure of the hot fine forging die for forming the rapid gears was stated.

给出了快档齿轮热精锻成型的实用模具结构 ,论述了模具设计、装配和使用的有关问题 ;该模具采用强力脱模装置 ,使锻件在锻击结束瞬间立即脱离凸模 ,解决了锻件将凸模抱死的关键技术问题 ,经济效益显著。