悬挂弹簧平衡器时,务必连接好保险绳。
While hanging the balancer, you must join the insurance rope well.
我想我是把艾瑞克当成了一根保险绳吧,万一哪天我又跟戴维走不下去了呢?
I think I sort of kept Eric around for insurance purposes, just in case things didn't end up well with Dave.
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。
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.
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