动词短语
中文翻译：通过混凝土密封底部
同义词：
['bottom sealing with concrete', 'bottom sealing using concrete', 'bottom sealing with concrete mixture例句：1. To ensure the integrity of the foundation', 'we must perform a bottom sealing by concreting.（为了确保地基的完整性，我们必须进行混凝土密封。）2. The engineer used a special concrete mix for this job', 'which greatly improved the waterproofing properties of the bottom sealing.（工程师使用了一种特殊的混凝土混合物来完成这项工作，这大大提高了底部密封的防水性能。）']
例句：
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1. To ensure the integrity of the foundation, we must perform a bottom sealing by concreting.
为了确保地基的完整性，我们必须进行混凝土密封。
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2. The engineer used a special concrete mix for this job, which greatly improved the waterproofing properties of the bottom sealing.
工程师使用了一种特殊的混凝土混合物来完成这项工作，这大大提高了底部密封的防水性能。
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3.During construction, it is important to ensure that the bottom sealing is done correctly to prevent water infiltration.
在施工过程中，确保正确完成底部密封工作以防止水分渗透非常重要。