名词
中文翻译：表面层
同义词：
['surface layer', 'surface layer bar', 'surface bar']
例句：
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1. The engineer useda surface bar to reinforce the concrete beam.
工程师使用一个表面层加固混凝土梁。
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2.The surface bar is designed to prevent water from seeping into the foundation.
表面层设计用来防止水分渗入地基。
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3. During construction, it's important to ensure that the surface bar is properly installed and maintained.
在施工过程中，确保表面层正确安装和维护是很重要的。