Research in this paper is about the alternative rule of the axial force of supporting pole with different support height during the period of casting concrete through field detection.
本文通过现场检测实验，研究了不同高度支撑架内力随混凝土浇筑过程的变化规律。
The requisition relates to an all set anchor pole for supporting tunnel, composed of a pole body, a supporting board, a head wedge, an anchor head with a denticle and a cement cartridge bag.
本申请是一种用于巷道支护的配套锚杆。由杆体，托板，顶头楔，带有小齿的锚头以及水泥药包组成。
Owing to the problem exists in the supporting pole number testing system of the Catenary Inspection Car, an improved method based on GPS is proposed.
本文针对目前普遍采用的接触网检测车杆位测试系统存在的问题，提出了一种基于GPS的改进方案。
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