为小四轮拖拉机发动机的降噪指明了方向。
Ways to reduce engine noise for small-wheeled tractors have been indicated.
为小四轮拖拉机发动机的降噪指明了方向。
The way to reduce the noise of the engine of the small four-wheel tractor is pointed out.
介绍了小四轮拖拉机挂车气刹系统与挂车参数；
This paper discusses the parameters of trailer air brake system and trailers for small wheeled tractors.
本文分析了小四轮拖拉机液压悬挂系统存在的问题及其原因。
This paper points out the problems existed in the hydraulic hitch system of small 4-wheel tractor, and the causes are analyzed.
本实用新型属于农业机械领域，涉及一种与小四轮拖拉机配套使用的深施肥机。
The utility model belongs to the field of agricultural machines. The utility model relates to a deep fertilizer spraying machine matched with a small four-wheel tractor.
本实用新型属于农业机械领域，涉及一种与小四轮拖拉机配套使用的深施肥机。
The utility model belongs to the field of agricultural machines. The utility model relates to a deep fertilizer spraying machine matched with a small four-wheel tractor.
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