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压力真空阀
释义
压力真空阀
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工学
锅炉阀门
释
pressure vacuum valve
压力真空阀
维护压力容器气压平衡,减少介质挥发的安全节能装置。由压力阀和真空阀两部分组成。又称呼吸阀、PV阀。
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common proper-motion pair
common proper-motion stars
common property of mankind
common prosperity
common quail
common ragweed
common rail system
common ratio
common reed
common refinement
common representative
common residue
common resources
common ricciocarpus
common ring
common root
common rush
common salt
common sawflies
common saying
Common Scores of Huangmei Opera
common scouring rush
common selfheal
common selfheal fruit~spike
Common Sense
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