【判断题】
在每日运营开始前后，车站需派专人对屏蔽门系统外观进行目测检查，检查玻璃是否有碎裂现象；对屏蔽门进行正常关闭、开启操作，确认屏蔽门运行状态及红外线报警装置是否正常；端头门、应急门是否关闭、锁闭；屏蔽门控制端钥匙、对讲机是否完好，状态是否正常。
A. 对
B. 错
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A
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【判断题】
车辆在曲线上运行时，由于外轨的超高要使车辆向曲线内侧倾斜，形成内侧空气弹簧加载、外侧空气弹簧减载，同时又由于曲线长度较长，车辆在曲线上运行时间较长，所以经2～4s后高度调整阀产生调整作用。
A. 对
B. 错
