名词
中文翻译：谷物螺旋
同义词：
['grain screw', 'grain screwer', 'grain screwing device']
例句：
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1. Thegrain screw is used to rotate the drum of a grain mill.
谷物螺旋用于旋转谷仓的滚筒。
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2. The grain screwer is a machine that separates the kernels from the chaff in wheat.
谷物螺旋器是一种机器，用于小麦中将壳与糠分离。
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3. The grain screwing device is designed to help farmers manually remove the husks from the grain before it's stored.
谷物螺旋装置设计用来帮助农民在粮食储存前手动去除稻壳。