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.
从保护海洋生态环境的长远观点来看，压载水运送有害水生物及病原体引致的危害比其他形式的污染更为严重。
This paper describes the problems of public health harm and marine ecological environment destruction caused by unwanted aquatic organism and pathogen carried by ship's ballast water.
从保护海洋生态环境的长远观点来看，压载水运送有害水生物及病原体引致的危害比其他形式的污染更为严重。
This paper describes the problems of public health harm and marine ecological environment destruction caused by unwanted aquatic organism and pathogen carried by ship's ballast water.
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