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Hydraulic cycloid motor
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Slow-closing check valve
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Pipeline connecting joint
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Low-friction long-life butterfly valve
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Long-life ball valve
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Electromagnetic valve and working method thereof
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Variable centrifugal pump
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Ball valve
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Reciprocating high-pressure plunger pump
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Booster water pump with variable booster ratio
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Packer
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Packer
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Oil cylinder with buffering function
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Oil cylinder
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Oil cylinder
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Hydraulic cylinder
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Hydraulic diaphragm pump
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CN110848556A
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Bimetallic strip trap
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Energy recovery device
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