to rig a derrick

用法例句

Spatial analysis of suspender tensile force for the pushan CFST through arch bridge;

蒲山系杆拱桥吊杆张拉力的空间计算分析

Study on examination method of the arch bridge suspender;

拱桥吊杆检查方法的研究

Loading effects FBG monitoring system and safety evaluation of arch bridge suspenders;

拱桥吊杆荷载效应光纤光栅监测与安全评定

The method of computing initial stretching force of the hanger of tied arch bridge and construction control;

确定系杆拱桥吊杆初始张拉力方案及施工控制

Analysis for influence line characteristic on simple birder composite arch bridge with different disposal of hangers;

不同吊杆布置形式下简支梁拱组合体系拱桥的影响线特性分析

Numerical Simulation of Vortex-Induced Vibration of Steel Truss Arch Bridge Hanger

钢桁拱桥吊杆涡激振动仿真分析

Installation and mounting: Ceiling installation or supended to ceiling with chain or line.

安装方式：吊装式或吸顶式，吊杆，吊链。

midship-log boom

船体中部测程仪吊杆

full rotating derrick

全旋转吊杆起货设备

32-metre 4-arm placing boom

32米4臂浇灌吊杆

truck mounted placing boom

装在汽车的灌筑吊杆

Trial-design research on inclined hangers in CFST bowstring arch bridge

钢管混凝土系杆拱斜吊杆试设计研究

Please swing the derricks outboard. We want to use the shore crane.

请把吊杆甩到外档去，我们要用岸吊作业。

Under-supported CFST Arch Bridge's Suspender Force Analysis

下承式钢管混凝土系杆拱桥吊杆受力分析

DETERMINATION OF THE OPTIMAL HANGER FORCES FOR TIED-ARCH BRIDGES BASED ON ENERGY METHODS

基于能量法的系杆拱桥最优吊杆内力的确定

A new explanation of the rigid continuous girder method for determination of tensile force of rod of tied arch bridge

确定系杆拱桥吊杆力的刚性连续梁法算法

On the approximate calculating method of the rollover instability of the rigid suspender's tied-arch bridge

刚性吊杆的系杆拱桥侧倾失稳近似计算方法

The landing boom for S.t Lawrence seaway

GB/T11578-1989圣劳伦斯航道登岸吊杆

The great body of the bridge flooring and the suspenders was swayed to and fro

庞大的桥面躯体和吊杆来回地摆动。

The ginpole is the simplest form of derrick.

起重吊杆是一种最简单的起重机。

a simple crane having lifting tackle slung from a boom.

在吊杆上有起重滑车的简单起重机。

Its most prominent feature is the massive beam.

它最显著的特点就是其庞大的吊杆。

boom test certificate

吊货杆试验合格证书

air lift rod transfer elevator

气动抽油杆运移吊卡