名词
中文翻译：内部给水管
同义词：
['internal piping', 'internal conduit例句：1. The internal feed pipe is essential for the proper functioning of the machine.（内部给水管对于机器的正常运作至关重要。）']
例句：
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1. The internal feed pipe is essential for the proper functioning of the machine.
内部给水管对于机器的正常运作至关重要。
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2.The internal feed pipe was designed to prevent water leaks in the pipeline.
内部给水管的设计是为了防止管道中的漏水。
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3. The internal feed pipe was replaced after several years of use due to corrosion.
由于腐蚀，内部给水管在几年的使用后被更换。