gin pole

常见例句

The gin pole is the simplest form derrick.
起棕吊杆是踊肿最简单的起棕机。
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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。