There is no ticket conductor on bus, so passengers must pull the signal cord to let driver open the rear door when you get to the stop.
美国的公共汽车没有售票员，因此乘客到站下车前只有自己拉动钢丝绳告知司机有人要下车。
If the door is not damaged, should open the door to allow passengers to escape, the above two methods can also be carried out simultaneously.
如果车门没有损坏，应打开车门让乘车人员逃出，以上两种方法也可同时进行。
The horses stopped to breathe again, and the guard got down to skid the wheel for the descent, and open the coach-door to let the passengers in.
马匹停下脚步喘了喘气，押车卫士下来给车轮拉紧了刹车，然后打开车门让旅客上去。
Such as the location of the fire in the bus engine, the driver should open all the doors, so that passengers from the door to get off, and then organize the fire.
如着火的部位在公共汽车的发动机，驾驶员应开启所有车门，令乘客从车门下车，再组织扑救火灾。
When the elevator power cut, it can check the elevator quickly, and take the elevator to the level position to open the door, let passengers walk out the elevator safely.
当电梯停电时，能迅速检测电梯，将电梯开到平底位置开门，让乘客安全走出电梯。
When the elevator power cut, it can check the elevator quickly, and take the elevator to the level position to open the door, let passengers walk out the elevator safely.
当电梯停电时，能迅速检测电梯，将电梯开到平底位置开门，让乘客安全走出电梯。
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