Sealing lip can resist high pressure, apply in gas and abradability fluid.
密封唇压力较高，适用于气体及磨耗性流体。
The expansion water tank assembly has good structural strength, high pressure endurance capacity and reliable sealing quality, and does not cause leakage of cooling fluid.
本实用新型结构强度好，耐压能 力强，密封质量可靠，不会造成冷却液泄漏。
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