短語詞組短語dynamic brake blending valve 動力制動混郃閥brake solenoid valve 制動器電磁閥hydraulic brake operating valve 液力制動操縱閥brake bleed valve 制動器放氣閥brake control valve lever 制動器控制閥手柄service brake control valve 行車制動器控制閥brake control valve release 制動器控制閥卸壓brake pilot valve 制動器先導(dǎo)閥brake pedal valve 制動踏板閥 返回 brake valve