1.
truck mounted placing boom
装在汽车的灌筑吊杆
2.
32-metre 4-arm placing boom
32米4臂浇灌吊杆
3.
Installing Roof Antenna Mast of High-rise Building by Upside-down Lifting Method
倒装吊升法安装高层建筑屋顶天线桅杆
4.
Installation Technology for Steel Mast on Super Tall Building's Roof under Special and Complicated Working Condition
在特殊环境、复杂工况下的超高层建筑屋顶钢桅杆吊装技术
5.
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。
6.
boom test certificate
吊货杆试验合格证书
7.
air lift rod transfer elevator
气动抽油杆运移吊卡
8.
midship-log boom
船体中部测程仪吊杆
9.
derricking gear
吊货杆跨度变换装置
10.
full rotating derrick
全旋转吊杆起货设备
11.
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
12.
Having or building a hanging nest. Used of birds.
筑悬巢或筑吊巢的。用于鸟
13.
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。
14.
double whip system
分钩装卸法(一根吊货杆将货由岸吊到甲板
15.
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
16.
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
17.
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
18.
Study of Optimized Method for the Parameters of Embraced Bar on a Whole Stand Bar Tower of Double Point Hoisting
两点吊整立杆塔抱杆参数优化方案研究