Sliding extrusion type marine stern shaft rubber water sealing device
Airplane auxiliary fuel tank oil cover sealing structure
DUST COVER, SUSPENSION DEVICE AND DUST COVER MANUFACTURING METHOD
Automobile body middle channel structure and automobile
Dynamic sealing mechanism between telescopic wing and aircraft cabin
Box body connecting structure and buoyancy tank thereof
Sealing structure for end of hub bearing and automobile
Buffer cylinder for anti-bending system of low-floor tramcar