3.弓网事故的调查与分析在弓网事故成因的叙述中,我们已涉及到调查分析的基本要领,下面的陈述与成因的认识是互为补充的。3.1 运输和其它原因的调查与分析导致弓网事故的几个主要因素中,以运输2.4和其它2.5最为明显也较容易弄清楚。这里只说运输原因的第1项。洞内地线被挂时在洞壁上总会留下一些挂痕,或者在地面上找到散落的各种碎 3. Investigation and Analysis of Bow Network Incidents In the description of the causes of Bow Network Incidents, we have covered the basic essentials of investigation and analysis. The following statements and causes of knowledge are complementary. 3.1 Investigation and Analysis of Transportation and Other Causes Among the major factors that led to the accident at the bow network, it is most obvious and relatively easy to find out by transportation 2.4 and other 2.5. Here only to transport the first one. Hanging holes in the cave when the wall will always be left some hang marks, or scattered on the ground to find all kinds of broken