materials testing的用法和樣例：
例句
- Shenzhen SANS Testing Machine Co.,Ltd is the biggest domestic professional material testing machine manufacture.
深圳市新三思材料檢測有限公司是中國最大的材料試驗機專(zhuān)業(yè)制造商。 - If a range of specimen sizes is needed for materials tests, the fixtures should be carefully scaled to the specimen.
如果材料試驗需用一系列的試樣尺寸，則夾具就應當仔細地按試樣進(jìn)行標度。
