boric solution 硼酸浴液
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
