India has since designated some of its reactors as civilian, and open to inspection, but others still churn out spent fuel richly laden with weapons-usable plutonium.

This paper mainly expounds four inspection means for three big precision coupling of fuel supply system in diesel engine based on the practice, which can be covered for practical operation.

Fire prevention: national fireproof construction material quality supervision and inspection center in test B1 level, in line with the national standard fuel GB8624-1997 standards.