氣鎮閥 的英文怎麼說
中文拼音 [qìzhènfá]
氣鎮閥
英文
gas ballast valve-
The series h ? 2h ? h3 rotary piston vacuum pump is a sort of vacuum pro - duction equipment suitable for pumping ordinary gase and condensable gases ( when a gas ballast used )
H3型系列滑閥式機械真空泵是抽除一般性氣體或含有少量可凝性氣體（此時應使用氣鎮）的真空獲得設備之一。The equipped air valve design, can remove air with slight amount of vapors by suction as well as protect the cooling vapor from mixing into oil, so as to prolong the lifetime of oils in the pump
裝有氣鎮閥，在抽除含有少量水蒸汽的空氣時，打開氣鎮閥可避免水蒸汽凝聚后水混入油中，延長泵油的使用壽命。General specification for gray iron valves of urban gas
城鎮燃氣用灰鑄鐵閥門通用技術要求General specifications for ductile iron of cast steel valves of urban gas
城鎮燃氣用球墨鑄鐵鑄鋼制閥門通用技術要求分享友人