back-packer是什么意思

网络释义

用法例句

Study on support parameters for melted extrusion modeling;

无支撑熔融挤压快速成形的参数研究

Analysis the submerged floating tunnel’s reasonable support length;

水中悬浮隧道合理支撑间距分析

Continuous beam support design and practice in Watangjiang pump station;

瓦塘江泵站连续梁的支撑方案与实践

Experimental Study on the Braced Stress of the Vacuum Glazing;

真空平板玻璃支撑应力实验研究

Experimental study on RC beam-column joint equipped with partially energy dissipating braces;

设置局部粘滞消能支撑的框架节点抗震试验研究

Brace design of K shape eccentrically braced steel frames;

K型偏心支撑钢框架支撑的设计研究

Study on calculating of the bracing system of the steel structure of light-weight buildings with gabled frames.;

门式刚架轻钢结构支撑体系计算方法的探讨

Critical load of frames with flexural-typed bracings and threshold stiffnesses for the bracings;

弯曲型支撑框架结构的临界荷载与临界支撑刚度研究

Features of displacement at the top of enclosure piles and analysis of the stiffness formula of bracing system;

围护桩顶部位移特征及内支撑刚度公式辨异

The search and application of coping construction clip supporting technique;

盖梁施工夹箍支撑技术的探索与应用

On the basis of supporting system analysis of steel spiral case keeping internal water pressure during construction,the simplification and simulation methods were studied comprehensively using 3-D finite element method.

采用三维有限元技术,在分析施工过程钢蜗壳充水保压支撑的基础上对简化方法和仿真方法进行综合研究。

It establishes the method of designing torsional slope formwork based on the property of anamorphosis torsional slope and its strut technology.

大型水利工程中钢筋混凝土扭坡结构施工成为施工重点和难点,运用扭坡特性建立专用扭坡组合钢模板设计方法,总结渐变扭坡组合钢模板的施工工艺及其支撑技术,能够有效地解决倒虹吸渐变扭坡混凝土成型达到理论设计扭曲面的难题,从而通过改进扭坡结构施工成型质量减小倒虹吸渐变段对整体水能的损失。

The analysis is made on the design for cantilever sheet pile wall, single anchor(strut) and multiple anchors(struts) pile wall.

详细分析了基坑设计的具体内容 ,并对悬臂桩、单锚 (支撑 )和多锚 (支撑 )设计进行了合理分析。