浮动螺旋结构可自动适应密封压力，自动补偿螺旋磨损，自动适应泵轴串动；
The floating spiral structure is designed to automatically adapt the sealing pressure, to compensate automatically spiral wear and adapt shaft play.
浮动螺旋结构可自动适应密封压力，自动补偿螺旋磨损，自动适应泵轴串动；
The floating spiral structure is designed to automatically adapt the sealing pressure, to compensate automatically spiral wear and adapt shaft play.
应用推荐