left semicircle
常见例句
- Observation eyepiece consists of concave mirror and a separate gate is formed, in the eyepiece can be seen at the same time the two semicircle color, its left for the sample color.
观察目镜由凹镜和分隔栅组成，在目镜中可同时看到二个半圆色，其左边的为试样颜色。
www.wuhanyiqi.eb80.com 返回 left semicircle