This problem had occurred under corner tangential firing and wall opposed firing, and it became even more serious under W-shaped flame double-arch firing.
四角切向燃烧和墙式对冲燃烧方式都有此问题，而W火焰双拱燃烧锅炉则更严重，值得关注。
2
In the following small game, the players task is very simple, namely the control of the ball firing in the direction of their goal into the corner.
在下面的小游戏中，玩家的任务非常简单，即控制射球的方向，将其打进球门的死角。
3
It is the only way to eradicate those who are hiding in a dark corner in disguise while they are brewing rumors and "firing illegal guns."