海词手机词典

By adding brow m corundum powder and silmanite,the clay bonded castable used in the car surfac e of cermic tunnel kiln will increase in hot strength,thermal shock rest resist ance,use life.

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