optimeter

1.The optimeter is widely used to precisely measure external size ofworkpiece by comparison with a gauge block or standard part.

本仪器是一种采用或标准零件件相比较的方式测物体外形尺的仪器。

2.The optimeter is widely used to precisely measure external size of workpiece by comparison with a gauge block or standard part.

本仪器是一般是用标准器（）以比较法测工件的尺。