jet-flame drill [矿业] 火焰钻机
flame throwing drill 热力钻机
flame band drill method 火力凿岩法
drill by flame 火力钻进
flame e throwing drill 热力钻机
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Set up and operate heavy-metal working machines such as brakes, rolls, shears, flame cutters and drill presses to cut, shape and form metal into parts or sections.
设置和操作重金属工作机器，如刹车片，轧辊，剪板机，火焰切割机和钻床，来切割，塑型和成型金属零件或部分。
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