roof crane

英 [ruːf kreɪn] 美 [ruːf kreɪn]

网络  屋顶起重机

机械



双语例句

  1. The Central Giant Support Installation Technique for Both Super Steel Roof Truss and Revolving Gantry Crane Construction
    超级钢屋盖施工及旋转式龙门吊共用的中心巨型支撑安装技术
  2. Considering the features of reinforced concrete trussed roof of a factory building, the cutting blasting technology with shaped charges was applied to the key parts of the roof in the condition of which the track of moving crane was not damaged.
    根据钢筋混凝土桁架结构厂房房顶的结构特点,在保证行车轨道等设施不被破坏的条件下,利用聚能切割技术对其关键部位实施切割爆破。