主 しゅ制御 せいぎょ機構 きこう

shuseigyokikō

1. Not the main control mechanism.; Not a main control system.

1. Was the main control mechanism.

1. Main control mechanism/system.

1. Main control mechanism; Master control system

1. It is not the main control mechanism.

1. It is not the main control mechanism.; It's not the main control system.

1. Was the main control mechanism.

1. Main control mechanism.; It is the main control mechanism.

1. Not the main control mechanism.; It is not the main control mechanism.

1. Wasn't the main control mechanism.

1. Main control mechanism, likely.; Probably the main control mechanism.

1. It was not the main control mechanism.; It wasn't the main control mechanism.

1. Was not the main control mechanism.; Wasn't the primary control system.

1. Probably the main control mechanism.; Likely the master control system.

1. It was not the main control mechanism.

1. If the main control mechanism…; When the main control mechanism…

1. if the main control mechanism; when the main control mechanism

1. If the main control mechanism; When the main control mechanism