scour outlet,scour sluice
[DE] Reinigungsauslass; Spuelauslass
[EN] scour outlet; scour sluice
[FR] pertuis de chasse
bottom outlet,scour outlet,scour sluice /ENG-ELECTRICAL/
[DE] Grundablass
[EN] bottom outlet; scour outlet; scour sluice
[FR] vidange de fond