名词
中文翻译：墙管
同义词：
['wall duct', 'wall pipe例句：1. The wall tubes are essential for the proper functioning of the heating system.（这些壁管对于供暖系统的正常运行至关重要。）']
例句：
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1. The wall tubes are essential for the proper functioning of the heating system.
这些壁管对于供暖系统的正常运行至关重要。
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2. The engineer inspected the wall tubes before installing the new heating system.
工程师在安装新的供暖系统之前检查了壁管。
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3. The wall tubes were damaged during the construction process, causing a delay in the project.
在施工过程中，壁管受损，导致项目延误。