sample workpiece

• 样件

sample workpiece的用法和样例：

例句

1. A simplified pattern making process that workpiece is reproduced to make casting directly is introduced.
   介绍了一种用样件直接翻制铸件的简易制模工艺。
2. What I need is nothing but a sample.
   我需要的不过是一件样品而已。
3. The invoice charges us for the sample.
   发货单上列出了样品费。