输有限赢无限的科学简介:Under the mast, a sergeant from the inspection department asked loudly. He is responsible for raising the small flag. As long as he raises the small flag, the cannon behind can light the tung oil, allowing the ship to flow down the river, and the boatmen can jump off the ship. .
Under the mast, a sergeant from the inspection department asked loudly. He is responsible for raising the small flag. As long as he raises the small flag, the cannon behind can light the tung oil, allowing the ship to flow down the river, and the boatmen can jump off the ship. .