flow characteristics of regulating valve
flow characteristics of regulating valve
调节阀的流量特性
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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For the correct selection of hoes of regulating valves, we must fully understand the flow characteristics of the valve and deformity in practical applications.
正确选取调节阀规格型号，必须充分了解调节阀门的流量特性及其实际运用中的畸变。
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