请输入您要查询的英语单词:
单词
non-return valve
释义
non-return valve
un.
止回阀;止逆阀;逆止阀
[网络]
单向阀;切断式止回阀;正向阀
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Urdoma
Urdorf
Urdos
Urds
URDTSC
Urdu
Urdu language
Urdu literature
urdumheim
Urdunn, Nahr al(Yarden, Nehar)
urdus
Urduspeakers
urdy
Urdyuzhskoye, Ozero
Urdzhar
ure
-ure
urea-
-urea
urea
urea a.
urea acetate
urea adduct
urea adduct method
urea adduct process
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更新时间:2026/2/6 22:15:56