rock-drill steel
常见例句
- Through the shallow hardening treatment, the steel T8A can have better contact-fatigue resistance to the repeatedimpactload-test and can be used for making the piston of rock drill.
經薄層硬化的T8A鋼，可以獲得較好的多沖接觸疲勞抗力，故有可能作爲鑿巖機活塞用材。 返回 rock-drill steel