rigid joint

The new structural type of the framed bent of rigid joint, which improves the internal force by the PPC horizontal rod, is composed of the portal frame and the framed bent.

在大跨度无铰门式刚架的基础之上增设部分预应力水平拉杆,可有效地改善结构的受力,具有门武刚架和排架的特点。

eliminary research on the relation between oil-gas exploration effectiveness and exploration level.;

油气勘探成效与勘探水平关系初步研究

Analysis and Comprehensive Prevention and Cure the Pouring Water of Two Level in Mining Face;

二水平回采工作面涌水原因分析与综合防治

Talking about the reform of conveying system in the second level drift of Xinxing Coal Mine;

浅谈新兴矿五采区二水平运煤系统的改造

Experimental Study on Single-Phase Liquid Friction Factor in Rolling Horizontal Pipe;

摇摆状态下水平管中单相水的摩擦阻力实验研究

To transform GZY - 50 type rig into a horizontal rig, on the basis of its primary organs, especially the hydraulicpressure system, that meets the request of the horizontal rig.

在保持GZY -5 0型钻机的机构的基础上 ,将它改造成水平钻机 ,特别是针对它的液压系统进行改造 ,使之液压系统的功能满足水平钻机的要求。

Objective To investigate the horizontal transmission of viruse after inoculation with live attenuated hepatitis A vaccine.

目的　探讨甲型肝炎 (甲肝 )减毒活疫苗接种后的病毒水平传播。

This paper has proposed a method of intergration which can promote the comprehensive designing standard in course design.

本文提出一体化模式的教改方案,有助于提高课程设计综合水平。