名词
中文翻译：Unknown
同义词：
['heavy freight', 'bulk cargo']
例句：
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1.The heavy weight of the cargo made it difficult to move.
货物的重量使得搬运变得困难。
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2.Heavy weight goods are often transported by truck or train.
重型货物通常通过卡车或火车运输。
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3.The company specializes in the transportation of heavy weight goods.
该公司专门从事重型货物的运输业务。