Chapter3 introduces the performance test of water hydraulic control valves.
第三章为纯水液压控制阀的性能测试。
Water hydraulic control valves are important and the key base components in water hydraulic system.
纯水液压控制阀是纯水液压系统的重要关键基础元件。
Trap outlet pipe should not be Hydraulic control valves immersed in water.
疏水阀的出水管不应浸在水里。
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