我刚刚结束了一段雷诺953钢架的骑行。
而用来最终支撑屋顶的钢架构的搭建工程也在进行中。
And work on the structure that will eventually support its roof is underway.
大型三角形钢架结构是一种高效率的结构。
The large steel structure consists of triangles, which is a structural efficient form.
画出每一种情况下的钢架变形草图。
工厂的3号机组锅炉钢架顺利开吊。
The steel frame of the No. 3 boiler group is successfully hoisted.
工厂的3号机组锅炉钢架顺利开吊。
The steel frame of the No. 3 boiler group is successfully hoisted.
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