inż. main
~ komunikacyjna - thoroughfare
~ wodna - water main
1. (the principal route of a transportation system) 
main line 
2. (an electrical conductor that makes a common connection between several circuits
"the busbar in this computer can transmit data either way between any two components of the system") 
busbar, bus: : synonim: szyna
synonim: kanał
3. (a principal pipe in a system that distributes water or gas or electricity or that collects sewage) 
main: : 
4. 
bus network: : synonim: topologia magistrali
synonim: topologia szynowa
(komunikacyjna) arterial road/line, ~trunk highway
(el.) bus-bar
(inf.) bus, trunk
 ~~ kolejowa trunk line
 ~ wodna/gazowa~water/gas main
m main thoroughfare, arterial road
MAIN LINE
THOROUGHFARE
TRUNK-LINE
main
~ wodna
~ wodociągowa - water main
clearway
highway
throughway
trunk
busbar
trunk route
trunk line
bus
main
arterial road