名词
中文翻译：环形颗粒
同义词：
['annular particle', 'annular body']
例句：
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1.The annular granules in the soil are essential for plant growth.
土壤中的环形颗粒对植物生长至关重要。
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2.The annular granules were found to be made up of calcium carbonate.
这些环形颗粒被发现是由碳酸钙组成的。
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3.The annular granules were used as a filter in the water treatment process.
这些环形颗粒在水处理过程中用作过滤材料。