skewback

Stress shell, which bears and pass load of overlying strata, is primary supporting body.The stress in skewback of stress shell forms abutment pressure of surrounding rock in vicinity of working face.

应力壳但并传递上覆岩体荷和压力，是最主要体，应力壳拱脚处应力形成采场四周围岩支压力。

The skewback bearer will be directly heated by gushing flame when tuckstone end dropped happens , which threats the safe run of the furnace and causes heavy oil consumption up .

熔窑挂钩砖部掉落后,冒出火焰直接烧托铁板,严重影响熔窑安全运行,重油消耗增加。