selection valve body是什么意思

用法例句

Container valves, selector valves, check valves are the significant parts of carbon dioxide extinguishing system, their structure and function is important for designing and running carbon dioxide extinguishing system.

容器阀、选择阀、单向阀等管道阀门作为二氧化碳系统中的主要组成部分,它们的结构和性能对二氧化碳灭火系统的设计和正常运行起到重要的作用。