Jul 28, 2019 ... The primary drawback of direct injection engines is theirs cost. Direct injection systems are more expensive because their components must be ...
... الحقن في نفس الوقت لجميع السطوانات.. نظام الحقن المباشر :(Direct injection (DI. )ويسمى أيضًا حقن مباشر للبنزين ((gasoline direct injection (GDI.