drillpoint是什么意思 drillpoint怎么读
[drɪl'pɔɪnt] [drɪl'pɔɪnt] [drɪl'pɔɪnt] [drɪl'pɔɪnt]
钻尖
drillpoint的相关资料
drill up向上挖掘drilln.钻孔机;钻子;反复操练;播种机v.练习;钻孔;(军事)训练drilling and eating woods钻蛀性drilling columnar diagram钻孔柱状图drilling safety technique钻井安全技术drilling exploded methods钻爆法drilled-hole inspecting成孔检测drilling machine operator钻工drill and steel wire gage钻径及钢丝规drilling and blast method钻爆法drilled hole filling pile钻孔灌注桩drilling cutting quantity钻屑量
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