combined inlet and exhaust valve
... 进排气两用阀 combined inlet and exhaust valve 组合负载 combined load 结合组力，组合电阻 combined resistance ...
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combined inlet and outlet valve
... 混合式冲动涡轮机 combined impulse turbine 进排气两用阀 combined inlet and outlet valve 合并灯 combined lantern ...
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