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单词
drilling machine
释义
drilling machine
Encyclopedia
工学
凿岩机械
释
drilling machine
凿岩机
通过钻杆和钻头的冲击或回转作用进行岩体钻孔以开采石料的机械。
工学
爆破作业
释
drilling machine
钻孔机械
在钻孔作业时所采用机械设备的统称。
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Autumn Colors on the Que and Hua Mountains
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Autumn in the Han Palace
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Autumn Moon Over the Han Palace
autumn peanut
autumn rain in western China
autumn river in twilight
Autumn Scenery of Rivers and Mountains by Zhao Boju
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