湿态环境下平均动摩擦系数降低，但随着压力的增大，这种影响减小。
The humidity results in low friction coefficient, but the braking presure will decrease the effect.
当刹车比压和能载增加时，经过不同温度处理的四种试样干态及湿态平均动摩擦系数均相应下降。
The average dynamic FC of four kinds of samples treated under different temperatures was reduced in dry and damp condition as brake pressure and energy were raised.
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