名词
中文翻译：袋口
同义词：
['bag mouth', 'bagging spout']
例句：
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1. The bagging spout is designedto prevent leaks during the filling process.
袋口塞设计用来在填充过程中防止泄漏。
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2. The bagging spout is acrucial component of the packaging system.
袋口塞是包装系统的一个关键组成部分。
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3. The bagging spout was responsible for sealingthe bag tightly.
袋口塞负责将袋子密封得紧紧的。