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