调速器密封器具组件
governor sealing tool group
涡轮增压器轴密封圈泄漏
turbocharger shaft seal leakage
转子离合器联轴器叉凸缘
rotor clutch coupling yoke flange
动能自控密封器
kinetic energy automatic control axle sealing device
kinetic energy automatic control axle sealing machine
全密封自动润滑轴承
fully sealed & self-lubricated bearing
无密封自吸泵
Self-priming Pump Without Sealing
自密封电极
self-sealing electrode pole
自密封探测连接器组件
self-sealing probe adapter group