分析端头支架底座开裂的原因,提出底座结构改进的方案。
The reasons of base cracking in tip support are analyzed and the plan for improving the structure of base is offered by this paper.
在分析回采工作面支架底座作用在底板岩层上压力分布特征的基础上,选择正方体试件用钢质小圆柱加压实验的方法测定高水速凝材料容许比压。
Based on the analysis of distribution of pressure applied by hydraulic support base on seam floor, a method to test the allowable specific pressure of high water content material was suggested.
找些结实的管子或者杆子,连接头,平衡底座,就可以组装自己的简易稳定支架,从背心式到手持式,可以做出不同形式。
Using solid pipes or rods, at-joint, and a counterbalancing weight, you can assemble your own poor-man's copy -which can vary form the gimbal arm-and-vest variety to the side-handle version.
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