分析盘式干燥机用于硫精矿干燥存在的问题，并提出对干燥盘和耙杆进行改造的措施。
A problem existing plate dryer for pyrite concentrate drying is also raised and modification measures are put forward for plate dryer and spreading rod.
论述了短锚杆群支护碎裂岩石中耙道的原理及实施效果。
Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.
应用推荐