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Bohrfräswerkzeug combined drill and milling cutter 钻铣工具
Bohrkopf (für Spiralbohrer) drilling head, (für Bohrmeißel) boring head 钻头
Bohrloch (Vollbohrung) drill hole, (Innenausdrehung) borehole, (e. Schleifscheibe) arbour hole 钻出的孔
Bohrmaschine drilling machine, drill press, boring machine, (threading), tapping machine 钻孔机
Bohrreihe single set of drill holes 成排钻孔
Bohrreihe (zwei) double set of drill holes 成(两排)钻孔
Bohrspäne drillings, borings 钻屑
Bohrspindelkopf drilling spindle head, boring spindle head 钻床主轴头
Bohrtechnik drilling practice, boring practice 钻孔工艺
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