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rotary blasthole drilling
meaning in English
旋转式炮眼钻进
Related Words
blasthole bit
rotary squeeze
rotary actuator
rotary oiler
rotary helper
rotary chain
rotary charger
rotary die
rotary barker
rotary elevator
rotary blade vacuum pumfor medical use
rotary blancher
rotary blender
rotary block radial pump
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