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在成都无縫鋼管厂工程施工中,机械化施工总站第一工程队的职工实現了一項創举。将2—6吨塔式吊車改裝成为起重量达20吨的塔式,桅杆两用超重机,为解决当前大型吊装机械缺乏的問题开辟了途徑。
In Chengdu seamless steel pipe plant construction, mechanized construction of the first engineering team of workers to achieve a pioneering work. The conversion of 2-6-ton tower crane into a tower-mast dual-purpose crane with a capacity of 20 tons has opened a way to solve the current lack of large hoisting machinery.