短語(yǔ)詞組短語(yǔ)Tool bit chucking shank 發(fā)明名稱bit t shank 釺尾shank bit 直柄鑽頭square shank bit 方頭鑽嘴round shank bit 掘進(jìn)機(jī)截齒westbank square shank bit 方頭鑽嘴straight shank bit 直柄鑽頭straight drill straight shank bit 直柄鑽頭straight shank twist bit 直柄麻花鑽頭 返回 bit shank