Pressure energized lip-style piston and rod seals are wear compensating and prelubricated for millions of trouble free cycles.
高压带电塞和塞杆密封磨损补偿和麻烦百万边界润滑自由周期。
Pressure energized lip-style piston and rod seals are wear compensating and prelubricated for millions of trouble free cycles.
高压带电塞和塞杆密封磨损补偿和麻烦百万边界润滑自由周期。
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