BW24.04.30A 活塞 Piston
36.18.26 密封垫 Sealing gasket
36.93.06 胶管卡箍 Hose clamp
4.06.119 气动活门衬套 Pneumatic valve bushing
4.13.117 密封胶圈 Sealing rubber ring
303-38 密封圈 Signet ring