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钻孔圆边
meaning in Chinese
margin of drill
Related Words
钻孔刀
钻孔配件
钻孔钻头
热力钻孔
排水钻孔
钻孔定心
钻孔取样
钻孔壁
构造钻孔
钻孔直径
钻孔与车削两用刀夹
钻孔与攻丝夹具
钻孔造影术
钻孔炸药
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