| 释义 |
Gem processing
基本例句
宝石加工
The diamond abrasive tool has been widely used in thegem processingfactory.金刚石磨具已广泛用于宝石加工业。
Conventional diamond millstone forgem processinghas shortcomings of diamond grains easily pulled off, unstable running and low grinding speed.金刚石磨盘已广泛用于宝石加工业,而传统方法所制金刚石磨盘其金刚石易脱落、磨削速度低且不稳定。
Keywords Dust;Gem processing;Silicosis;Epidemiological study;粉尘;宝石加工;矽肺;流行病学调查; |