master valve 主阀 ; 总阀 ; 总闸门 ; 主导阀
burner master valve 燃烧器主阀
starting air master valve 起动空气主阀
master valve mounting block 主阀安装体
Quick-closing master valve 速闭总阀
wellhead master valve 井口主阀门
master valve package 总阀封装置 ; 总阀密封装置
annulus master valve 环形主阀
Install brake lines that connect master cylinder to combination valve.
安装连接总泵至组合阀的煞车管线。
The upper master valve is used on a routine basis, with the lower master valve providing backup or contingency function in the event that the normal service valve is leaking and needs replacement.
上部总闸门用于日常运行，而下部总闸门用于在正常使用的闸门发生渗漏并需要更换的情况下提供备用或应急的功能。
Zhuji City, Jian-Ling Machinery Factory is a company specialized in production of auto parts such as manual valve, master cylinder, relay valve, clutch booster, air dryer and spring brake chamber.
诸暨市剑灵机械厂是一家专业生产手控阀、刹车总泵、继动阀、离合器助力器、空气干燥器、弹簧制动室等汽车配件的企业。
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