انواع البنزين وتأثيره على المحرك

انواع البنزين وتأثيره على المحرك

انواع البنزين وتأثيره على المحرك

12 فبراير 2013 17:11 arabic.arabia.msn.com arabic.arabia.msn.com

فى العهد الماضى كان الرصاص احد مكونات البنزين العديده ولكن تم اكتشاف ان الرصاص ماده ضاره بالبيئه وعلى صحه الانسان وبعد ابحاث وتجارب تم استبداله بماده تسمى الاوكتين . الاوكتين تختلف نسبته فى بعض الدول فنجد اوكتين 80 , 90 , 92 , 95 فما هى وظيفه الاوكتين ؟ تعريف : نسبه الانضغاط : من [...…

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