solenoid valve短语⁶⁷⁵³¹ 基本例句 电磁阀,螺线管操纵阀 A kind of double voltage driving circuit with high voltage RC delay control was put forward for controlling gas solenoid valve of solid rocket divert and attitude control motors. 提出了一种高压 RC延时控制的高低压驱动电路，用于姿轨控发动机燃气阀控制。 cnki