Iskani niz je bil najden v PREVODIH:
Wasserversorgungsleitung
en water supply line, water supply mains, water supply pipe, water-supply line, water-supply mains
Wasserversorgungsnetz
en water mains system, water supply mains, water supply network
Wasserwirtschaft
en hydraulic works, water economy, water engineering, water industry, water management, water protection, water resource engineering, water resource management, water resource policy, water resources engineering, water resources management, water resources policy, water supply and distribution, water supply