fluted twist drill〔名词〕麻花钻详细»
fluted twist drill〔名词〕麻花钻详细»
麻花钻auger;fluted twist drill;hand boring;screw auger;spiral auger;worm auger详细»
麻花钻fluted twist drill;hand boring详细»
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麻花钻earth auger;earth screw;fluted twist drill;screw auger;twisted auger详细»