“镦”怎么读？

“镦”的英语可以翻译为：upset...

使用该方法冷镦凹模寿命低.The cold upsetting matrix's life is relatively short in this way.本文简要地介绍了我公司冷镦钢 ( SWRCH35K ) 的研制、开发情况以及生产工艺.The research development and technology of cold heading steel ( SWRCH 35 K ) are introduced.冷镦...