scrap material

• 废料

scrap material的用法和样例：

例句

1. There is a heap of waste material in front of the laboratory.
   实验室前面有一堆废料。
2. Parallels are required when blanks or scrap are discharged through the die shoe.
   当下料或废料从模具上掉下时要求使用垫脚。