名词
中文翻译：Unknown
同义词：
['barrel stopper', 'barrel plug', 'barrel packing']
例句：
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1. The barrel filler is used to keep the barrel full of liquid.
桶塞子用于保持桶内装满液体。
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2. The barrel filler was a crucial part of the recipe for making wine.
桶塞子是制作葡萄酒食谱中至关重要的部分。
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3. The barrel filler prevented the liquid from leaking out during transportation.
桶塞子在运输过程中防止了液体泄漏。