本发明阀体的控制系统结构简单、可靠性高，配气的效率及精准度高。
The control system of the valve body is simple in structure, high in reliability and is high in air distribution efficiency and precision.
本发明阀体的控制系统结构简单、可靠性高，配气的效率及精准度高。
The control system of the valve body is simple in structure, high in reliability and is high in air distribution efficiency and precision.
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