... 化工石化阀门 Chemical and Petrochemical 暖通空调阀门 Plumbing Heating Valve 消防阀门 Fire Protection Valve ...
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暖通空调阀门
Hvac valve
以上为机器翻译结果，长、整句建议使用 人工翻译 。
比较了几种常见的关断作用阀：重点介绍了调节作用阀的相关概念及特性，可为暖通空调系统中阀门的选择提供参考。
Several kinds of shutdown valves were compared. Then it focused on the features and related concepts of the regulator valve. It can be referenced for the selection of valves in HVAC system.
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