外 がい燃 ねん機関 きかん

gainenkikan

1. Not an internal combustion engine.

1. Was an external combustion engine.

1. In an external combustion engine; Using an external combustion engine

1. External combustion engine; External-combustion

1. It is not an external combustion engine.

1. It's not an internal combustion engine.; It isn't an internal combustion engine.

1. Was an external combustion engine.

1. External combustion engine.

1. Is not an external combustion engine.; It is not an external combustion engine.

1. Wasn't an internal combustion engine.; Wasn't an external combustion engine.

1. External combustion engine, probably.; It's likely an external combustion engine.

1. Was not an internal combustion engine.; Was not an external combustion engine.

1. Wasn't an internal combustion engine.; Wasn't an external combustion engine.

1. Probably an internal combustion engine.

1. Was not an internal combustion engine.

1. If it were an external combustion engine; If it's an external combustion engine

1. If it is an external combustion engine; When it is an external combustion engine

1. If it's an internal combustion engine; When it's an internal combustion engine