the roof frame and roll-over bar incorporate hot-formed steels for maximum safety.
该屋架和唱名桿纳入热轧钢材的形成,为最大限度的安全。
the invention relates to a technique used for house construction, namely the process that plant fiber material is manufactured into the material used for a wall roof frame block.
一种工艺用于房屋建筑,即植物纤维材料加工制做成可用墻体房 顶架块材料过程。
steel column and roof frame are made in multisections and assembled at high altitude.
采用分段制作、高空拼装的方法安装钢柱和钢屋架。