The drone of insects is interrupted by a high-pitched drill and the clang of hammers as workers put the finishing touches to the perfectly aligned steel tracks.
当工人们对排放整齐的铁轨进行最后的修整时，刺耳的钻动声和锤子的当啷生淹没了虫子的鸣叫。
Operate and maintain finishing machines to grind, drill, sand, bevel, decorate, wash or polish glass or glass products.
操作和维护整理机，磨，钻，沙化，伞，装饰，清洗或抛光玻璃或玻璃制品。
Wear-resistant materials, a connecting flange and a drill rod by high carbon steel finishing.
材质耐磨，连接法兰和钻杆采用高碳钢精加工。
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