... proportion 比列，均衡，配合 proportioning valve 配量阀 proportion of mixture 混合物比列 ...
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... line check valve 管路单向阀 metering valve 配量阀 operating valve body 操作阀体 ...
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配量阀组 metering block
优先控制流量分配器阀 priority flow divider valve
流量分配阀 flow distributing valve
比例流量分配阀 proportional flow divider valve
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