名词
中文翻译：户外管道
同义词：
['outdoor plumbing', 'outdoor utilities']
例句：
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1. The city's new underground railway is expected to improve the quality of life for many people wholive in the outskirts.
预计城市新的地铁将改善许多居住在郊区的人们的生活品质。
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2. The company has been investing heavily in outdoor piping systems to ensure its customers' safety during construction.
该公司一直在大力投资于户外管道系统，以确保其客户在施工期间的安全。
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3. The pipes were installed outdoors to prevent water from leaking into the ground.
这些管道被安装在户外，以防止水渗入地面。