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钻孔
zuān​kǒng

drilled hole

Definitions Defs Origin Strokes Stroke Words Sentences Sents
  • 钻孔机 zuān​kǒng​jī drilling machine
    drilling machine; drill press; trepan
  • 钻孔器 zuàn​kǒng​qì drill
    drill; piercer; borer