卡特彼勒公司和约翰·迪尔公司(挖掘机、推土机，和农用器械制造商)的销售额也连连攀升。
Caterpillar and John Deere, which makes diggers, bulldozers and farm equipment, saw sales leap.
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.
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.
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