钟表业 meaning in English

timepiece industry

Horology . method of testing water - resistant watches
钟表业.手表的防水试验方法
Horology . involute toothing gears . normal toothing
钟表业.渐开线齿轮.公称齿连接
Horology . dimensions of jewels for shape - gauges
钟表业.定型量规用珠宝的尺寸
Horology . specifications for movement blank control
钟表业.机件坯料控制规范
Horology . gold - plated watch - cases . test methods for coatings
钟表业.镀层的试验方法

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