名词
中文翻译：主运载机
同义词：
['main conveyor', 'main conveyorbelt']
例句：
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1. The mainconveyor belt is responsible for transportinggoods from one side of the warehouse tothe other.
主运载带负责将仓库一侧的货物运送到另一侧。
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2.Main conveyor belts are essential forefficient cargo handling in factories.
主运载带对于工厂中高效的货物处理至关重要。
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3. The main conveyor belt has beenreplaced with a new model that offers improvedefficiency and safety.
主运载带已被一款新型号取代，其提供了更高的效率和安全性。