研制了主要用于煤碳工业洗煤厂的脱水筛板的新型耐磨材料。

A new abrasion resistance material used as the screening panel in coal-cleaning facto-ries is studied.

youdao

研制了主要用于煤碳工业洗煤厂的脱水筛板的新型耐磨材料。

A new abrasion resistance material used as the screening panel in coal-cleaning facto-ries is studied.

youdao