taper-shank fluted twist drill
锥柄加长麻花钻 Taper-shank lengthened fluted twist drill 锥柄麻花钻 Taper-shank fluted twist drill 带导向柱直柄平底锪钻 锥柄锪钻 Straight shank flat countersink drill with guide pole Countersink drill series ..
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taper-shank fluted twist drill
锥柄带槽麻花钻
以上为机器翻译结果，长、整句建议使用 人工翻译 。