pressure compensating orifice valve的意思|示意
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压力补偿孔阀
pressure compensating orifice valve的网络常见释义
压力补偿孔口阀 pressure compensating check valve；压力补偿单向阀 pressure compensating orifice valve；压力补偿孔口阀 pressure compensating pump；压力补偿泵 ..