Swedish block

• 量块,块规,约翰逊氏量块

Swedish block的用法和样例：

例句

1. The optimeter is widely used to precisely measure external size ofworkpiece by comparison with a gauge block or standard part.
   本仪器是一种采用量块或标准零件与试件相比较的方式测量物体外形尺寸的仪器。