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1.The construction site was equipped with a slewing pillar crane to facilitate the assembly of the building's steel frames.
施工现场配备了一台倾斜的立柱起重机，以便于组装建筑的钢框架。
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2.The engineer used the slewing pillar crane to lift heavy equipment onto the rooftop.
工程师使用倾斜的立柱起重机将重型设备吊到屋顶上。
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3.The slewing pillar crane was crucial in the demolition of the old factory building, as it could lift large objects without causing damage to the surrounding structures.
倾斜的立柱起重机在拆除旧工厂大楼时至关重要，因为它可以吊起大型物体而不对周围结构造成损害。