left semicircle
基本解释
- [交通運輸工程]左半圓
英汉例句
- 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.
觀察目鏡由凹鏡和分隔柵組成，在目鏡中可同時看到二個半圓色，其左邊的爲試樣顔色。
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雙語例句
专业释义
- 左半圓