围堰

wéiyàn

cofferdam; coffer

* * *

cofferdam

* * *

wéi yàn

n. cofferdam, coffer

* * *

wei2 yan4

a cofferdam

* * *

围堰

wéi yàn

cofferdam; batardeau; coffer

围堰墙 coffer-wall

* * *

圍堰|围堰 [wéi yàn] ► a cofferdam