“差压铸造”的概念、定义、翻译、参考文献-科学参考

单词	差压铸造
释义	差压铸造 Encyclopedia 工学低压铸造释 counter pressure casting差压铸造将铸型及金属液分别放置在上压室和下压室内，浇注时上下压室同时通入压缩气体建立一定压力，然后通过排气或进气方式在上下室之间建立压差，使金属液在压差作用下沿升液管流动，自下而上充填铸型并在一定压力下凝固成型的铸造方法。
随便看	National electronic commerce demonstration base National Electronic Publication Award National Electronic Records Administration Joint Inter-ministry Conference national emblem National Emblem of Australia National Emergencies Act national emergency industry demonstration base national emergency management information system national emergency management information system, NEMIS national emergency plan for geological disasters National Endowment for the Arts National Energy Program National Engineering Lab. for Chemical Utilization of Biomass National Engineering Research Center for Information Technology in Agriculture National Engineering Research Center of Chemistry of Forest Products National Engineering University of Peru National Entrance Test of English for MA/MS Candidates National Environmental Policy Act of 1969 National Environmental Policy Act of the United States of America National Environmental Protection "12th Five-Year" Program Environment and Health Work Plan National Environmental Protection "12th Five-Year" Science and Technology Development Planning national environmental protection model city system national environmental protection pilot city national environmental standards national epic

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