Bolt's surface protecting components include plate, steel band, metal network, truss, etc. It can overcome bolt's weakness, enhance support effects.
锚杆支护的护表构件，包括锚杆托板、钢带、金属网、桁架等主要是为了克服锚杆支护的弱点、增强支护效果而采取的措施。
参考来源 - 大变形巷道锚杆护表构件支护效应研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The production practice and test results showed that the support effects were fairly good.
生产实践和测试结果表明，支护效果良好。
But those graphics tended to be a bit ugly, because PHP's image library is primitive and doesn't support effects.
但是这些图像往往很简陋，因为php图像库非常原始，不支持特效。
This subject introduce some common rectangle ore pillars and its advantages, and rock mechanics analysis and evaluation of rectangle ore pillars support effects.
介绍了几种常见矩形矿柱及其优点，并对矩形矿柱的支撑效果进行岩石力学分析和评价。
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