The gin pole is the simplest form derrick.
起棕吊杆是踊肿最简单的起棕机。
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。
This paper mainly introduces the choice of the proper schemes for assembly tower and adequate gin pole according to different type of towers, topography and transportation condition.
介绍根据不同的塔型、地形和交通状况，选择合适的组塔方案，配备合适的组塔抱杆，并探讨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。
The key points of reversal installation, the lift system of oil tank, the gin pole using in reverse installation and chain block used in assembling gin poles and molding bed are discussed in detail.
尤其对倒装法的施工关键—油罐的提升系统 ，对倒装时用抱杆、组装抱杆与胎模时用倒链作了详细的叙述。
The key points of reversal installation, the lift system of oil tank, the gin pole using in reverse installation and chain block used in assembling gin poles and molding bed are discussed in detail.
尤其对倒装法的施工关键—油罐的提升系统 ，对倒装时用抱杆、组装抱杆与胎模时用倒链作了详细的叙述。
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