運転 うんてん系統 けいとう

untenkeitō

1. Not a driving system.; Not part of the driving system.

1. Was a driving system.; Was operated as a system.

1. Driving system; In the driving system

1. Driving system; Operational system

1. It is not a driving system.; It is not related to driving.

1. It's not the driving system.; It's not part of the driving system.

1. Was the operating system.; Was the driving system.

1. Operation system; Driving system

1. Not part of the driving system.; Not related to the operating system.

1. Wasn't operating system.; Wasn't the operating system.

1. Probably the operating system.; Probably the driving system.

1. Was not a driving system.; Was not related to the driving system.

1. Wasn't driving the system.; Wasn't in charge of operations.

1. Probably the train line.; Probably the operating system.

1. Was not part of the operating system.; Was not a driver.

1. If/when the operating system…; If the operating system were…

1. If the operating system; If it were the operating system

1. If the driving system…; When the driving system…