On February 12 the engineers successfully demonstrated the use of assault boats, pontoons, rafts, and shooting communication wire across the river with rockets and grenade launchers.

• 2月12日，工兵部队成功示范了冲锋舟、浮船、浮桥的作用，以及以火箭或榴弹发射器往河对岸抛甩电话线。