Na obi nke dizel engine, na mmanụ ụgbọala injection usoro ekere òkè dị mkpa roles.Through pressurizing na ịgbanye mmanụ ụgbọala, usoro agha ya n'ime ikuku na e abịakọrọ na elu nsogbu na combustion chamber.It mee nke fuel injection mgbapụta , elu-mgbali ọjà, injection noz ...
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