一种阀芯可更换的二氧化碳制冷系统节流阀，属于制冷技术领域。
A throttle valve with a renewable valve core is used for a carbon dioxide refrigeration system, and belongs to the refrigeration technology field.
一种具有变温调节特性的二氧化碳制冷系统节流阀，属于制冷技术领域。
A throttle valve of a carbon dioxide refrigeration system which is characterized by variable temperature regulation belongs to the refrigeration technology field.
跨临界二氧化碳制冷系统节流控制机构，主要包括节流阀、汽液分离器、电磁阀、混合器、热力膨胀阀等。
The throttle control mechanism of cross-critical CO2 refrigerating system includes mainly throttle valve, vapor-liquid separator, solenoid valve, mixer thermal expanding valve, etc.
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