The results show that flame-spread rates are sensitive to ambient pressure and decreases as the ambient pressure decreases in a lower range of ambient pressures.

结果表明在低压下火焰传播的速度对环境压力敏感，即火焰传播速度随着压力的降低而降低。

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The results show that flame-spread rates are sensitive to ambient pressure and decreases as the ambient pressure decreases in a lower range of ambient pressures.

结果表明在低压下火焰传播的速度对环境压力敏感，即火焰传播速度随着压力的降低而降低。

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