分析了露天矿自卸汽车柴油发动机废气排放的相关问题，提出废气处理的技术措施。
Correlative problems on engine exhaust gas of self-dumping truck at open pit are analyzed. And technical measure for treating exhaust gas is put forward.
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.
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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