名词
中文翻译：Unknown
同义词：
['transport volume', 'highway transportation volume例句：1. The highway transport volume has increased significantly in recent years.（近年来，高速公路运输量显著增加。）']
例句：
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1. The highway transport volume has increased significantly in recent years.
近年来，高速公路运输量显著增加。
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2. The increase in highway transport volume has led to congestion on the roads.
高速公路运输量的增加导致了道路拥堵。
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3. The government is working on reducing the highway transport volume to improve air quality.
政府正在努力减少高速公路运输量，以改善空气质量。