The mass flow rate of the molten metal is controlled by means of a choke element fitted in the casting trough.
熔融金属的质量流率借助配合在浇注槽内的一个扼流元件控制。
A planar model of air and water flow on metal fill surface was set up to investigate heat and mass transfer performance of air conditioner.
建立了填料塔的二维传热传质模型，考虑了因水蒸发或凝结而引起的水的质量变化和空气的质量变化。
A dynamic mass-flow model is introduced to characterize the global metal cycles.
本文还介绍了一个用于描述全球金属循环的动态材料流模型。
A dynamic mass-flow model is introduced to characterize the global metal cycles.
本文还介绍了一个用于描述全球金属循环的动态材料流模型。
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