protractors

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常用释义

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扩展信息

量角器

ICminer.com... ... 千分尺 Micrometers 量角器 Protractors 量规 Spring Calipers ...

例句

I took a clear plastic tube and attached two circle protractors that could be rotated up and down the tube.

我找来一只透明的塑料试管，然后将两支可以旋转并上下移动的量角器接到试管上。

Draughting instruments with or without graduation. Part 2 : protractors.

带刻度或不带刻度的绘图仪器.第2部分：量角器

Specification for bevel protractors (mechanical and optical)

斜量角规（机械与光学式）规范

Mr Willis has sold out of protractors. I expect everyone wants 60 degrees. Willis

先生的量角器都卖完了。我想每个人都在量60度角呢。

Specification for protractors for drawing office use

制图室用分度规规范