R44,发动机曲轴封严圈
https://magapp.airacm.com/pic/20231103/1698986025686744_399.jpghttps://magapp.airacm.com/pic/20231103/1698986025687236_250.jpg
https://magapp.airacm.com/pic/20231103/1698986025874267_371.jpg
https://magapp.airacm.com/pic/20231103/1698986026030932_237.jpg
https://magapp.airacm.com/pic/20231103/1698986026300283_494.jpg
代入感很强了,我已经一身燃油味了 这个是唇封吗?
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