... external equalizer expansion valve: 外平衡膨胀阀 external equalizer thermostaice expansion valve: 外平衡热力膨胀阀 equalizer external thermostatic expansion valve: 外平衡型热力膨胀阀 ..
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... 控制方式Control Type 外平衡热力膨胀阀External Balanced Thermostatic Expansion Valve 类型Type ...
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外平衡式热功力膨胀阀 With hermetic gyral or piston
外平衡式热力膨胀阀 Thermal expansion valve ; With hermetic gyral or piston
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