“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	per capita urban park area perceived control perceived noise level perceived organizational support Perceived Quality perceived risks perceived value pricing per cent percent percentage percentage calculation percentage diagram percentage elongation percentage error percentage of blocked dregs and soil percentage of coarse fiber percentage of controlled soil erosion area percentage of efficient supplier correct end cocoon percentage of fatty extraction percentage of healthy chicks percentage of length deviation percentage of overlength fiber percentage of recovered forestry and grass percentage of sows showing estrus within 7 days of weaning percentage point

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