molding material短语¹⁴⁴⁹⁷²⁺² 基本例句 模塑料,造型材料,成型材料,模型材料 It is an effective way of eliminating the occurrence of silicosis in fettling workers by substituting silica with limestone as molding material in steel casting factory. 铸钢工艺中采用石灰石砂代替石英砂是一种有效的消除清砂工矽肺的措施。 cnki