用气体软氮化强化农用柴油机球铁曲轴的研究始于1974年。
Since 1974 the research work on gas soft nitriding of nodular cast iron crankshafts used in agricultural diesel engine has started.
由于农用柴油机经常处于尘埃较多的场合工作，所以其磨损更快。
Agriculturaldiesel engine often works under dusted condition, its wear is much faster than that of usual condition.
分析农用柴油机在使用、维护、修理方面发动机功率下降的原因及影响。
Analyzing the reason and effect of the decreasing of engine Power when farm diesel engines are in use, Maintenance and repair.
文章以农用柴油机在使用中的常见故障为例，简要论述了其形成原因及诊断。
The author in the use of agricultural diesel engine common faults, for example, briefly discusses its causes and diagnosis.
针对目前在用农用柴油机排放治理的现状，提出了在用农用柴油机排放治理的对策。
Aim at the current status of the using farming diesel engine emission control puts forward the countermeasure of control emission.
农资价格总体上升太快，而化肥、农用柴油、农膜等以矿石和石油为原料的农资产品价格上涨幅度最大。
The overall price of agricultural production materials raise too much, such as chemical fertilizer, farm diesel fuel, farm plastic film which is ore and oil-based products raise most.
农资价格总体上升太快，而化肥、农用柴油、农膜等以矿石和石油为原料的农资产品价格上涨幅度最大。
The overall price of agricultural production materials raise too much, such as chemical fertilizer, farm diesel fuel, farm plastic film which is ore and oil-based products raise most.
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