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单选题
242.刹车系统的蓝系统压力是靠哪个活门隔离的?( )which valve can isolate brake pressure of Blue system system ?
A
正常选择活门Normal selector valve
B
自动选择活门Automatic selector valve
C
正常伺服活门Normal servo valve
答案解析
正确答案：B
解析：
题目解析
刹车系统的蓝系统压力是靠哪个活门隔离的?
Which valve can isolate brake pressure of the Blue system?
答案解析：B. 自动选择活门
解释：刹车系统的蓝系统压力是靠自动选择活门（Automatic selector valve）进行隔离。这个活门的作用是在系统需要时自动分离或连接刹车压力，以确保系统的正常运作。
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