zuàn kǒng zhù zhuàng tú
- bare log
- drill column
- bore hole columnar section
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collarwork,
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相似单词
钻空子,
钻孔,
钻孔机,
钻孔器,
钻孔者,
钻孔柱状图,
钻孔装埋,
钻孔锥,
钻模,
钻谋,