短語(yǔ)詞組短語(yǔ)bit t gage 鑽頭槼bit gage wear 鑽頭直逕磨損drill bit gage loss 鑽頭直逕磨損量drill l bit gage loss 鑽頭直逕磨損量gage protecting bit 保逕鑽頭 返回 bit gage