短語(yǔ)詞組短語(yǔ)cutting g bit 鉆頭round cutting -bit 切屑流向outer cutting bit 雙巖心鉆外管鉆頭cutting bit arrangement 截齒排列compound ceramic cutting bit 復(fù)合陶瓷刀片large cutting element drill bit 大切削具鉆頭cylinder reboring bar cutting bit 鏜缸頭cutting it a bit fine 時(shí)間卡的很緊 返回 cutting bit