screw anchor

常见例句

The purposes of fast pulling experiment of minitype screw anchor are to explore how the parameters of the screw anchor determine its performance.
小型螺旋锚快拉试验的目的是探讨螺旋锚的参数与性能的关系。
This paper introduces the configuration, manufacture and installation of screw anchor and its site drawing-up tests. The results of tests are compared with those obtained from design formulas.
本文介绍了螺旋锚的结构、制作、设计和施工方法以及现场上拔试验，并将试验结果与设计公式作了比较。
ML screw anchor developed by Datong Coal Mine Group Co. Ltd. Xinzhouyao Mine have efficiently resolve the abuse of resin anchor, such as difficult reclaim, high costs, instability for fixing anchor.
前言：树脂锚杆存在回收困难、成本高，锚固力不稳定等弊端，大同煤矿集团公司忻州窑矿研制的“ML螺旋锚杆”有效解决了这些问题。