sistema de esclusas de vaciado y desagüe
/sistˈema ðe esklˈusas ðe βaθjˈaðo i ðˌesaɣˈue/
n
English: lock emptying system · 船闸泄水系统
Significado：Conduit that evacuates the water from the downstream side causing the water level in the lock-chamber to go down.