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The gin pole is the simplest form of derrick.
安装方式：吊装式或吸顶式，吊杆，吊链。
youdao
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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。
youdao
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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。
youdao