名词
中文翻译：主传送机
同义词：
['mainframe', 'mainframe conveyor']
例句：
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1.The main conveyer is responsible for moving the heavy materials.
主传送机负责移动重物。
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2.The main conveyer was damaged during the construction.
主传送机在建设过程中损坏了。
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3. Main conveyers are essential for large-scale production processes.
主传送机对于大规模生产流程至关重要。