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Terms for subject Refrigeration containing 真的 | all forms
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按温度自动启闭的真空阀thermostatic vacuum valve
真空操作的热水加热器调节阀vacuum-operated hot water heater control valve
真空泵的抽气速率volume flow rate of vacuum pump
真空泵的抽气量throughput of vacuum pump
真空泵的极限压力ultimate pressure of vacuum pump