Transportation source distribution is a key object and factor of urban transportation management and plan.
交通源分布是城市交通管理和规划的重点对象和考虑因素。
Noise from transportation is one major source of noise pollution.
交通噪音是噪音污染的主要来源。
The transfer point in coal transportation system is key source of dusting.
皮带输煤系统的转载点是选煤厂最主要的产尘环节。
The transfer point in coal transportation system is key source of dusting.
皮带输煤系统的转载点是选煤厂最主要的产尘环节。
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