expansion valve meaning in Chinese

截流滑阀
膨胀调节阀
膨胀阀；调节阀

Building valves - expansion valves - tests and requirements
建筑物阀门.膨胀阀门.试验和要求
Building valves - expansion valves - tests and requirements
建筑物用阀门.膨胀阀.试验和要求
Comparison research of expansion valve in refrigeration machines
制冷装置中膨胀阀的对比研究
A valve shuttered electronic expansion valve
阀板式电子膨胀阀研究
Electronic expansion valve for household and similar air conditioner
家用和类似用途空调电子膨胀阀

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