注：再循环控制水温自动调节器的温度设置必须比系列N170-M2阀门的设置温度低5至10华氏度，否则，再循环器将会不断运行。

NOTE: Recirculating control aquastat must be set at least 5oF to 10oF lower than the temperature setting of the Series N170-M2 valve, otherwise the recirculator will run continually.

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试验结果初步说明利用废气再循环，是高压缩比甲醇发动机解决相关问题的重要途径。

The test result shows that using EGR is an important approach to solve related difficulty for high compression ratio methanol engine.

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首先，再循环使用的燃料比原来的铀更贵。

First, the recycled fuel is more expensive than the original uranium.

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