在块状结构或碎裂结构的岩层中,锚杆能将不稳定岩石吊挂在松动区以外的稳定岩体上,防止岩块掉落,在松软岩层中,将预应力锚杆按一定方式布置,能在围岩中形成一个承载拱,对破碎岩体起支架作用。
Drum film packing machine
DS100 Full servo high speed three and four side sealing packaging machine
DS series horizontal bag packing machine
Packaging line for decoction pieces
New powder multi - row machine
Liquid single row back sealing packaging machine
Economical single row powder machine
Automatic back seal bag making and packing machine
电控系统