The workers are winching out these big tree roots.
工人們正在把這些巨大的樹根從地里拔出來.
互聯(lián)網(wǎng)
According to engineering characters and concrete situation the winching and rocker integral hoisting method is adopted.
針對該網(wǎng)架的工程特點及現(xiàn)場的具體情況,決定采用絞磨拔桿整體吊裝方法.
互聯(lián)網(wǎng)