“counter pressure casting”的概念、定义、翻译、参考文献-科学参考

单词	counter pressure casting
释义	counter pressure casting 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	expansion of decreasing dimension expansion of education expansion of enrollment in colleges and universities expansion of fixed assets investment expansion of genetic code expansion of the universe expansion option expansion parameter expansion planning for electrical generating system expansion rate expansion ratio expansion refrigeration expansion rule expansion silencer expansion slot Expansions on Three Theories: On Poetry expansion test expansion theorem expansion thermometer expansion time-scale expansion tong expansion turbine expansion type temperature measurement expansion valve expansion wave

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