该系统会加压铸造，使压力稳定，然后监测压力衰减率。
The system pressurizes the casting, allows the pressure to stabilize and then monitors the rate of pressure decay.
利用所制备的预制块，研究了多孔铝合金的加压铸造工艺。
With the fabricated preforms, the pressure casting process of porous aluminum alloy was studied.
采用组合式数字阀作为主要流量控制元件，构建差压铸造液面加压控制系统。
The fluid surface forcing control system applied on counter pressure casting is built based on the combined digital valve as the main flow control component.
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