borings钻孔碎屑,金属切屑
boringadj.令人厌烦的;乏味的
boring slippery resistance挖孔抗滑桩
boring for pile foundation桩基成孔
boring and milling machine铣镗床
boring and turning machine镗孔车削机床
boring machine installation钻机就位
boring and drilling machine镗钻两用机床
boring and riveting machine钻铆机
boring and mortising machine榫眼钻床
boring cast-in-situ pile冲孔灌注桩
boring finishing turning tool镗孔光车刀