Most of the houses in the capital don't have indoor plumbing.

首都大多数房屋没有室内管道装置。

《柯林斯英汉双解大词典》

Ii. They had no indoor plumbing or toilets and often no Windows.

它们没有室内的排水管道或者厕所，它们也通常没有窗户。

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A child who has never used indoor plumbing or seen a book is easily mocked.

一个从没用过室内水管没看过书的孩子很容易遭人嘲笑。

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BAC and 10 other organizations offer services and classes there, in everything from how to clean a home, to proper indoor plumbing etiquette, to employable skills.

VOA: standard.2010.07.22

With the invention of indoor plumbing, outhouses have mostly become a thing of the past.

BBC: Toilets take to the streets in annual US outhouse races

By the time I saw it, it had indoor plumbing, and it was still not finished.

NEWYORKER: Silver or Lead

She was born to unmarried parents in Kosciusko, Mississippi, in a house without indoor plumbing.

ECONOMIST: Dumbing up