The method was applied to analyze first tractor failure data.
并将该方法应用于拖拉机首次故障数据的分析。
Pictured is a 1917 Case traction engine, which was the world's first tractor model.
图为1917年为例牵引引擎，这是世界上第一个拖拉机模型。
The method was applied to analyze first tractor failure data. Estimating reliability model parameters is the base to analyze reliability.
并将该方法应用于拖拉机首次故障数据的分析。
Therefore, in order to solve the problem of the tractor noise, the exhaust noise, the engine ventilator noise and the noise of vibrating cover of the engine should be reduced first.
因此，解决该拖拉机噪声问题须首先降低排气噪声、发动机散热风扇噪声和发动机机罩振动噪声。
The first attempt to fracture the well encountered tractor deployment complications.
首次尝试压裂时，遇到了爬行器下入问题。
The first attempt to fracture the well encountered tractor deployment complications.
首次尝试压裂时，遇到了爬行器下入问题。
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