上齿轮 meaning in English
cog
Examples
- Information on gear teeth in drawings ; information on straight bevel gear teeth
图纸上齿轮啮合信息第2部分:直齿伞齿轮啮合信息 - Information on gear teeth in drawings ; information on involute teeth for cylindrical gears
图纸上齿轮啮合信息第1部分:圆柱齿轮渐开线啮合信息