ZY-2摇臂式喷头
ZY-2 impact drive sprinkler head
ZY-2 sprinkler
半万能摇臂钻床
semi-universal radial drill
变速摇臂衬套
shifting rock arm bushing
车式摇臂钻床
movable radial drilling machine
单体式喷油器摇臂调整螺钉
unit injector rocker arm adjusting screw
单体式喷油器摇臂组件
unit injector rocker arm assembly
仿形摇臂万能铣床
radial universal copying milling machine
滑座式万向摇臂钻床
slide block universal radial drilling machine
滑座式摇臂钻床
slide block radial drilling machine
减压机构摇臂
pressure-reducing device rocker