Việt
luật về nước sạch
Anh
Clean Water Act
fresh water
pure water
Đức
Gesetz zur Wasserreinhaltung
clean Water Act
clean Water Act, fresh water, pure water
Gesetz zur Wasserreinhaltung /nt/ÔN_BIỂN (CWA)/
[EN] Clean Water Act
[VI] luật về nước sạch