“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	aqueous solution chemistry of plutonium aqueous solution chemistry of uranium aqueous solution electrolysis aqueous solution growth aqueous surfactant two phases aqueous surfactant two phases (ASTP) aqueous tissue aqueous two phase aqueous two-phase extraction aqueous two-phase extraction; aqueous biphasic extraction A Quickly Written Poetry to Thanks to Mr. Meng Jianyi for Sending New Tea aquiclude aquic moisture regime aquicultural environment of shallow sea and littoral zone aquiculture animal oxygen consumption rate aquiculture animal physiological responses aquiculture animal stress reaction aquifer aquifer breakage aquifer storage and recovery aquifer system aquifuge Aquila Aquila Rift Aquitaine

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