ترجمه مقاله زبان انگلیسی(نقش کاتالیزورها)

<. However, the direct use of vegetable oils in an diesel engine can lead to a number of problems such as poor fuel atomization, poor cold engine start-up, oil ring stickening, and the formation of gum and other deposits. Consequently, considerable efforts have been made to develop alternative diesel…

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