boring g bar钻杆;镗杆
Right boring tool bar右镗刀杆
boring bar box镗杆箱
cylinder boring bar汽缸镗杆
boring bar tool镗杆刀具
slit nosed boring bar槽端镗杆
boring bar head搪杆头
jumper boring bar冲击钻孔器
deformable boring bar变形镗杆