名词
中文翻译：桶装
同义词：
['barrel', 'bulk', 'barreled', 'bulky']
例句：
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1. The barrel-bulk oil is suitable for use in industrial processes.
这种桶装油适合用于工业过程。
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2. The bulk of the cargo was loaded onto the ship last week.
上周大部分货物已经装载到船上了。
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3. Bulk grain shipments are often subject to higher tariffs than containerized goods.
与集装箱货物相比，散装谷物的关税通常更高。