boride base cermet 硼化物基金属陶瓷

boride ceramics 硼金属陶瓷

boring and drilling machine 镗钻两用机床

boring and milling machine 镗铣两用机床

boring and turning mill 镗车两用机床

boring apparatus 镗孔刀具

boring bar 镗杆

boring bit 镗孔钻头

boring cutter 镗刀

boring finishing turning tool 镗孔光车刀

boring frame 钻架

boring head 镗头