1.
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。
2.
midship-log boom
船体中部测程仪吊杆
3.
full rotating derrick
全旋转吊杆起货设备
4.
32-metre 4-arm placing boom
32米4臂浇灌吊杆
5.
truck mounted placing boom
装在汽车的灌筑吊杆
6.
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
7.
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。
8.
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
9.
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
10.
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
11.
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
12.
The landing boom for S.t Lawrence seaway
GB/T11578-1989圣劳伦斯航道登岸吊杆
13.
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。
14.
The ginpole is the simplest form of derrick.
起重吊杆是一种最简单的起重机。
15.
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。
16.
Its most prominent feature is the massive beam.
它最显著的特点就是其庞大的吊杆。
17.
boom test certificate
吊货杆试验合格证书
18.
air lift rod transfer elevator
气动抽油杆运移吊卡