There, the Crusaders deployed battering rams, mangonels (a siege weapon for catapulting projectiles), and mobile siege towers to launch an attack.

那里，十字军部署了攻锤、石机（一种用于掷弹射物的攻武器）和移动攻塔来发动攻击。

Outside the walls, they built tall catapults called mangonels.

墙外，他们建造了称为石机的高大弹射器。