名词
中文翻译：废管
同义词：
['waste line', 'waste outlet']
例句：
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1.The waste pipe is leaking, which is causing a problem for us.
废管正在泄漏，给我们造成了问题。
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2.The waste pipe needs to be replaced as soon as possible.
废管需要尽快更换。
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3. The waste pipe was installed incorrectly, causing the water to back up.
废管安装得不正确，导致水倒流。