self-operate differential pressure control valve的意思|示意

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自操作压差控制阀


self-operate differential pressure control valve的网络常见释义

自力式压差控制阀 静态水力平衡阀 static hydraulic balancing valve 自力式压差控制阀 self-operate differential pressure control valve 自力式流量控制阀 self-operate flow limiter ..