Preventive measures are given by obstructive fence, hoard, widening smoke path, increasing distance of pipes in crosswise, adding oriental board and enhancing manage or maintenance etc.

• 可采取阻力栅、板、拓宽烟道，加宽管束横向节距，以及增设管束节距定位板和加强运行管理及维护等措施降低磨损。