问题
单项选择题
关于汽车空调系统的高低压开关，下列说法中正确的是（）.
A.高压开关安装在高压管道上
B.低压开关安装在低压管道上
C.高压开关只有常闭型
D.低压开关为常开型
答案
参考答案：A
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关于汽车空调系统的高低压开关，下列说法中正确的是（）.
A.高压开关安装在高压管道上
B.低压开关安装在低压管道上
C.高压开关只有常闭型
D.低压开关为常开型
参考答案：A
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