名词
中文翻译：脱粒机组
同义词：
['harvester', 'threshing machine']
例句：
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1.The farmers used to use a threshing set to harvest the wheat.
农民过去使用脱粒机收割小麦。
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2. The threshing set is essential for preparing grains for storage.
脱粒机对于准备粮食储存至关重要。
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3.The farmer has just bought a new threshing set, which will greatly improve his productivity.
这位农民刚买了一台新的脱粒机，这将极大地提高他的生产力。