海词手机词典

The investigations have been made on the effect of corrosive medium,impacted velocity of the abrasives and chromium carbon ratio (Cr/C) on the wear-corrosion behaviors of medium chromium white iron.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌