名词
中文翻译：松散填充物
同义词：
['loose material', 'loose filler']
例句：
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1.The builders used loose fill to level the ground before laying the foundation.
建筑工人使用松散填充物来平整地面，然后铺设地基。
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2. The loose fill was so heavy that it made the truck difficult to move.
松散填充物太重了，使得卡车难以移动。
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3. The engineer had to replace the loose fill with stronger materials to ensure stability.
工程师不得不用更坚固的材料替换松散填充物，以确保稳定性。