डीजल इंजन की कार्य विधि || working of four stroke diesel engine

[@arunsingh6924]

बहुत अच्छे तरीके से समझाया आपने सर

[@TechnicalKnowledgeTrick]

thanku sir 🙏 Some mistake in this video 🙏 Dr Rudolf diesel invented diesel engine 1897

[@arunsingh6924]

Very good knowledge keep it good work

[@arunsingh6924]

Thnxx for uploading sir

[@arunsingh6924]

Sir paper नजदीक आ रहे हैं test question dala kro video

[@TechnicalKnowledgeTrick]

I try my best 🙏

[@nirbhaygawali9221]

1857nahi sir 1897 kiya tha

[@TechnicalKnowledgeTrick]

thanku sir 🙏 Some mistake in this video 🙏 Dr Rudolf diesel invented diesel engine 1897