But in the ceiling, whether we choose the asbestos board or choose the mineral wool board, usually hang with a screw rod, so that it can be more durable.
可是在吊顶时，无论我们选择的是石棉板还是选择的矿棉板，一般都是用螺丝拉杆悬挂，这样才能够比较经久耐用。
Asbestos fibers have been used for many years as have various animal fibers, especially wool, especially wool.
石棉纤维已经使用了很多年，它含有各种动物纤维，尤其是羊毛。
It is difficult to use rubber asbestos or stag wool as insulating material to meet the safety requirements in the blasting of removing high temperature clinker in metal furnace.
冶金炉内高温凝结物的拆除爆破。采用橡胶石棉或矿渣棉隔热是难以满足安全要求的。
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