self-operated differential pressure controller的意思|示意
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自控压差控制器
self-operated differential pressure controller的网络常见释义
自力式压差平衡阀 ...自力式压差平衡阀,实际流量特性,流量系数,水力平衡, [gap=816]Keywords：constant differential pressure control,self-operated differential pressure controller,real flow characteristic,flow rate coefficient,hydraulic balance, ..