发动机起动，车辆开始倒下山坡。

The engine will start and the vehicle will reverse down the hill.

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短促声波开始短促声波从起动频率对结束频率播放。

Chirp up the chirp is played from start frequency to the end frequency.

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对已起动的破碎机，应先空转几分钟，空转时可以检查基座、防护板链等，如无异常，可开始给料。

Already starting to the crusher, should first idling for several minutes, can check base, idling protective plate chain, such as no abnormalities, can start feeding.

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