... 勘探钻机 exploratory drilling rig 勘探钻孔 exploratory boring 堪萨冰川作用 Kansan glaciation ...
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... boring lathe 镗床,镗车两用机床... wash boring 水冲式钻探,冲冼钻孔... exploratory boring 钻探,勘探钻孔...
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勘探钻进 exploration drilling; exploratory boring; exploratory drilling; probe drilling ..
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shallow exploratory boring 浅孔钻探 ; 浅孔钻深
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