泥浆泵用活塞皮碗 piston rubber cup for slurry ; piston rubber cup for

活塞皮碗扩张器 piston cup expander

活塞皮碗[皮圈 piston cup

平衡活塞皮碗 cup leather for balance piston

主缸活塞皮碗 master cylinder piston cup

液压继动阀活塞皮碗 hydraulic relay valve piston cup

主缸活塞副皮碗 master cylinder piston secondary cup ; master cylinder secondary cup

活塞填密皮碗 piston packing cup

皮碗活塞 leather bucket