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单词
backflow
释义
backflow
\ˈ ̷ ̷ˌ ̷ ̷\
noun
Etymology:
back
(III)
+ flow
1.
:
a flowing back or returning toward a source
2.
:
the entrance of water or other liquid from any but the regular source of a potable water supply system
— compare cross-connection
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更新时间:2025/3/22 3:35:06