The pressurizing and filling process is preceded by triple pre-evacuation and double CO2 purging. 在加压和灌装过程之前三重前撤离和双重二氧化碳净化。
Fast pressurizing in stages and multiple exhausting effectively overcome the problems associated with green bricks crazing in layers. 具有快速分级加压及多次排气功能，有效解决坯体分层微裂的难题。
The principle of vacuum pressurizing casting technique is introduced in detail. 论述了真空增压铸造技术原理。
