短語(yǔ)詞組短語(yǔ)fluted or twist drill 麻花鑽fluted d twist drill 麻花鑽fluted or twist drill detail 麻花鑽four -fluted twist drill 四刃鑽Taper -shank lengthened fluted twist drill 錐柄加長(zhǎng)麻花鑽 返回 fluted twist drill