material testing

• 材料试验

material testing的用法和样例：

例句

1. Shenzhen SANS Testing Machine Co.,Ltd is the biggest domestic professional material testing machine manufacture.
   深圳市新三思材料检测有限公司是中国最大的材料试验机专业制造商。
2. The testing person uses the universal testing machine to make material mechanical testing.
   化验人员用万能材料试验机做材料机械性能试验。