题目内容
CRH5型动车组司机室操纵台制动系统设备区配有两个指针的大型压力计：第一个指针指示（）。
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CRH5型动车组司机室操纵台主命令控制板区“主电路断路器（MCB）打开和关闭指令”的作用（）。
Boys are often kept close to their parents while girls are encouraged to move on their own.
Some people believe that gender differences may change if boys and girls are encouraged to learn and solve problems in the same way.
直通式空气制动机比自动式空气制动机少一个三通阀
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