名词
中文翻译：Unknown
同义词：
['shell extractor', 'sheller', 'sheller pump']
例句：
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1. The shell pump is used to remove the outer shell of a coconut.
壳泵用于去除椰子的外层壳。
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2. The shell pump was designed to be easy to operate and maintain.
壳泵设计为易于操作和维护。
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3. The shell pump is essential for processing large quantities of agricultural waste.
壳泵对于处理大量农业废物至关重要。