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Particles from worn piston seal caught in check valve.
单向阀内发现从已磨损柱塞密封圈进入的颗粒.
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Hydraulic cylinder piston seal for the L - cups, the sealing performance and durability.
液压缸的活塞密封件为L型 皮碗, 其密封机能好,经久耐用.
Maintenance simplified by easily replaceable piston seal and steel reinforced renewable rubber disc.
更换活塞密封环和钢胶复合密封板简单方便.
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