підтримувати зв'язок
maintain the momentum (of the advance)
maintain
maintain the order
maintain lines
maintain defense
maintain а command
maintain security
maintain obstacles
maintain close contact with the situation
maintain control
maintain direction
maintain a command
maintain a hold
maintain a patrol
maintain a position
maintain contact
maintain normal fires
maintain order
maintain resistance
maintain roads
maintain mastery in the air
maintain a bridgehead
maintain a secure environment
maintain readiness
Hold means maintain the last good value received
barrel-type connection
connection pipe leading
water pipe connection
base junction; rotary collector ring (box); rotary base junction (of a tank); rotary connection; slip ring; traverse rotary base junction
drain connection
pneumatic ground service connection
accordant connection