“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	Bolzano process Bolzano theorem Bolzano-Weierstrass selection principle Bolzano-Weierstrass theorem Bolza problem Bol’shev BOM Bomaderry Boma National Park Bomarzo bomb aiming system Bombardier Aerospace Bombardier of Canada bombarding particle bombardment bombardment-induced bombardment of Dagukou Port by Japanese army Bombardment of Fort Sumter bombardment of Jinmen Islands bombardment on the Commercial Press sites in the January 28 Incident bombax malabarica flos Bombay Bombay duck bomb blast suppression bin bomb calorimeter

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