The elevator opens onto a long corridor that leads to only one set of double doors.
电梯门开了，一条长长的走廊只通向一道双扇门。
2
This means that even if the car itself 5 steel rope off completely, because the one on the double insurance, the elevator will not fall.
这也就是说，即便电梯厢本身的5根钢绳全部拆除，因为有一上一下的双保险，电梯也不会发生坠落。
3
As the elevator doors closed, I tried to correct my mistake and double pressed the button for the fourth floor, hoping it would erase the selections and prevent an unnecessary stop.