Alkalies also cause severe wear of common refractories.
碱还严重地浸蚀通用的耐火材料。
This unit is set machinery manufacturing as one of refractories and industrial companies.
本单位是集机械制造和耐火材料为一体的工业公司。
Major point for developing new type refractories are chemical compounds made from ternary system ele we are pirates, these data are stolen from youdao s.