交換 こうかん回線 かいせん

kōkankaisen

1. Not an exchange line.; Not a switched line.

1. Was an exchange line.; Was a switched line.

1. exchange line; exchange circuit

1. Exchange line; Exchange circuit

1. It is not an exchange line.; It's not a circuit.

1. It's not the exchange line.; It's not a switched line.

1. Was the exchange line.; It was the switched line.

1. Exchange line.; Exchange circuit.

1. It is not an exchange line.; It is not a switched line.

1. Wasn't the exchange line.; Wasn't a line switch.

1. Probably a switched line.; Likely a circuit.

1. Was not an exchange line.; Was not a circuit.

1. Wasn't the exchange line.; Wasn't the switched line.

1. Probably a switched line.; Likely a circuit.

1. Was not an exchange line.; Was not a switched line.

1. If/when switching lines:; If the line were switched:

1. If the line is switched; If the line were switched

1. If the line is switched; When the line is switched