名词
中文翻译：Unknown
同义词：
['grain elevator', 'grain stacker', 'grain filler']
例句：
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1. The grain piler is used to stack and store grains for long-term storage.
谷物堆叠器用于堆叠和储存谷物以进行长期存储。
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2. The farmer uses a grain piler to load the harvested grain onto trucks.
农民使用谷物堆叠器将收获的谷物装载到卡车上。
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3. The grain piler has a mechanism that can automatically sort the grain based on size and density.
谷物堆叠器具有一个机制，可以根据大小和密度自动对谷物进行分类。