巨型拖拉机和推土机正在切割树木线，巨大的树木被放倒。
Massive tractors and bulldozers are ripping into the treeline, toppling the huge trees.
附近更多的推土机和拖拉机开始向前推进，在他们面前大肆破坏森林。
MORE DOZERS and TRACTORS advance nearby, crushing the forest before them.
本文通过对农用液压推土机的系统研究，指出：农用液压推土机是以农用拖拉机配置液压推土铲组成。
On the basis of systematic study, this paper points out: the agricultural hydraulic bulldozer is composed of agricultural tractor with hydraulic dozer blade.
应用推荐