名词中文翻译
中文翻译：封闭的通道
同义词：
['closed pipeline', 'closed system']
例句：
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1.The river is a closed channel that prevents fish from migrating.
这条河流是一个封闭的通道，阻止了鱼类迁徙。
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2. The company's closed channel has been a source of frustration for the employees.
公司的封闭渠道一直是员工们感到沮丧的原因。
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3. The closed channel was a major obstacle in the project's progress.
这个封闭的渠道是项目进展的主要障碍。