The material surface image screened by a CCD camera was processed to calculate the level of material by a computer, and then to control the valve of material container.
由CCD摄像头拍摄容器内物料表面图象，经计算机处理后得到物位高度，进而控制物料容器的供料阀门。
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.
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.
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。
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