cantilever gin pole 悬臂把杆
gin-pole truck 起重架卡车
telescoping gin pole 伸缩式拔杆
A frame gin pole 人字形起重架
header of the gin pole 天车吊架的横梁
Aframe gin pole 人字形起重架
gate type gin pole 门式塔架 ; 门式抱杆
unipod gin pole 独脚扒杆
rotation gin pole 悬转扒杆
The gin pole is the simplest form of derrick.
安装方式:吊装式或吸顶式,吊杆,吊链。
The hoisting capacity of that gin pole (girder pole, guy derrick) is sixty tons.
那个起重抱杆(格状抱杆、转盘抱杆)的起重能力为60吨。
It describes that tower construction technique, process, strength calculation and apparatus selection by using the internal gin pole.
并介绍内抱杆组立铁塔施工技术、施工工艺、受力计算和工器具选择。
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