Maintenance contracts generally contribute around half of the revenues of the big lift companies, providing steady income even when new orders head for the basement.

维修合同通常给大型电梯公司贡献了半数的收入，即使是在没什么新订单的时候，它也能提供稳定的收入。

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The lift car in the elevator system has the advantages of steady operation and good acceleration effect.

本发明电梯轿厢运行平稳，加速效果好。

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Foreign investors hold close to half of Malaysia's government debt, a testament of trust in the steady economic progress that has helped lift millions out of poverty.

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