请输入您要查询的英文单词:
单词
backwater valve
释义
backwater valve
a valve for preventing flowing liquid, as sewage, from reversing its direction. Also called
backflow valve
.
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Yeltsin
Yemen
Yemenite
yen
Yenakiyevo
Yenan
Yen Hsi-shan
Yenisei
Yeniseian
Yenisei Ostyak
yenta
Yentai
yeo.
yeoman
yeomanly
yeoman of the guard
yeomanry
yeoman's service
yep
-yer
Yerba Buena
yerba maté
Yerevan
yerk
Yerkes
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更新时间:2025/3/21 15:30:29