Make sure you kill everyone from here and then move to the next room ahead and jump down from the brokensection of the wall.
确保要掉所有的敌人,然后继续移动到下一个房间,从墙的破口跳下去。
2
The repair plan "by using brokensection to make a hinged joint" was suggested, a summary was also made in regard with main technical measures in construction.