名词
中文翻译：非付费重量
同义词：
['Non-payment weight', 'Non-refundable weight']
例句：
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1. The ship's non-paying weight is 200 tons.
这艘船的非付费重量是200吨。
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2.The cargo was shipped with a non-paying weight of 500 kilograms.
货物以非付费重量500公斤被装运。
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3.The company charges a non-paying weight fee for each shipment.
公司对每次发货收取非付费重量费。