我正开车进城时，制动器失灵了。

I was driving into town when my brakes failed.

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我正开车进城时，制动器失灵了。

I was driving into town when my brakes went.

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初步调查显示，超载导致了电梯制动器系统失灵。

The initial investigation indicates that the overloading led to the failure of the brake system of the elevator.

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我正开车进城时，制动器失灵了。

I was driving into town when my brakes went, ie failed.

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介绍了盘形制动器的结构原理，探讨了提升机盘形制动器制动失灵的原因，并提出了相应的预防措施。

This paper introduces the structural principle of disc brake, probes into the reasons of the failure of disc brake of elevator, and advances some corresponding protective measures.

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介绍了盘形制动器的结构原理，探讨了提升机盘形制动器制动失灵的原因，并提出了相应的预防措施。

This paper introduces the structural principle of disc brake, probes into the reasons of the failure of disc brake of elevator, and advances some corresponding protective measures.

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