名词
中文翻译：膨胀的砂浆
同义词：
['expanding mortar', 'expanding concrete']
例句：
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1.The construction crew was working on the expansionof the foundation.
建筑工人正在施工，扩建地基。
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2. The engineer recommended using expanding mortar to reinforce the walls.
工程师建议使用膨胀砂浆来加固墙壁。
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3. The contractorhad to replace the oldexpanding concrete with new ones.
承包商不得不用新的膨胀混凝土替换旧的。