pine structures
松结构
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Yet noble intentions do not, of themselves, move concrete, even rotting concrete like the cement-and-pine-cone slurry used to make the Elwha Dam, the first of the two structures to be built.
ECONOMIST: Water in the West (2)
应用推荐
模块上移
模块下移
不移动