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剖析了软弱岩层的地区特点，探讨了该种岩层对支护的特殊要求，在此基础上介绍了几种简单易行的新型锚杆。
This paper analyzes the regional characteristics of soft rock formations, discusses the special requirements of this kind of rock strata for support, and on this basis, introduces several new simple rock bolts.