1) магистраль
2) магистральный трубопровод; мн. ч. система трубопроводов
3) магистральный водовод
4) эл. магистральная линия; питающая линия; сборная шина; мн. ч. электрическая сеть
5) эл. выключатель ( сети )
6) красная строка
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- air main
- boiler-feed main
- bustle main
- collecting main
- crossover gas main
- delivery main
- digtributor main
- distributing main
- distribution main
- electric mains
- exhaust steam main
- filling main
- fire main
- force main
- foul main
- foul-gas main
- fuel-gas main
- gas collecting main
- gas main
- gravity main
- heating main
- high-voltage main
- hydraulic main
- inner main
- interconnecting main
- lighting main
- manifold mains
- neutral main
- outer main
- pitch main
- power mains
- public water main
- pumping main
- pump main
- quenching-water main
- reheater inlet main
- reheater oulet main
- return main
- ring main
- service main
- steam main
- suction main
- supply main
- tank return main
- tar main
- town mains
- underground main
- water supply dead-end mains
- water dead-end mains
- water supply ring mains
- water ring mains
- water main