Few remain, perhaps due to their wood roof construction.
或许是由于他们的木建筑屋顶，只有几座得以保存。
Which illustrates an isometric view of a common form of roof construction.
它展示的是一个普通屋顶结构的轴侧图。
There are certain special types of roof construction for cylindrical tanks.
圆柱形储罐罐顶结构有某些特殊形式。
The Roof Construction Technology Code has been completed.
《屋面工程技术规范》已编制完成。
The Roof Construction Technology Code has been completed.
《屋面工程技术规范》已编制完成。
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