加油你永远远离任何外来发电机着火源。

Always refuel your generator outside away from any source of ignition.

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在他的努力下，着火源终于被找到了，很快大火就被扑灭了。

Thanks to his efforts, the source of fire was finally found, the fire was quickly extinguished.

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煤粉气流的着火界限主要受初始温度、点火源温度、煤种和煤粉细度的影响；

The pulverized coal-air flow ignition limit is mainly influenced by such parameters as initial temperature, ignition source temperature, coal rank and the fineness of the pulverized coal.

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