double mould casting 复型铸造法

double quick sand casting cement 双快型砂水泥

double rolls casting 双辊铸轧法

double-roller casting 双辊式铸轧

M16 automatic double disc casting M16自动双圆盘浇铸

double drive casting rolling mill 双驱动铸轧机

double-metal compound casting 双金属复合铸造

double pouring centrifuge casting 双金属离心浇注

Casting-steel Double Coupler 铸钢直角扣件