短語(yǔ)詞組短語(yǔ)rolling cutter rock bit 牙輪鉆頭auxiliary cutter bit 輔助切削刀cutter bit hold 切削刀刀架;硬質(zhì)合金刀刀架cutter bit sharpener 截煤機(jī)截齒磨銳機(jī)scraping cutter bit 刮刀鉆頭composite cutter bit 復(fù)合片齒釬頭roller cutter bit 牙輪鉆頭three -cutter bit 三牙輪鉆頭carbide tipped cutter bit 硬質(zhì)合金刀刃 返回 cutter bit