名词
中文翻译：球填充物同义词
同义词：
['spherical packing', 'spherical filling']
例句：
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1. The engineer used a special sphere-packing to reinforce the structure.
工程师使用一种特殊的球填充物来加固结构。
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2. The new product is designed with sphere-packing to improve efficiency.
新产品的设计采用了球填充物，以提高效率。
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3. The sphere-packing was carefully packed to ensure stability during transportation.
球填充物被仔细包装，以确保运输过程中的稳定性。