For diesel engine piston cooling, lubricating oil can be supplied to the pistons by a／an _

_______ diesel engines generally have two systems of lubrication: a total loss system feeding and a circulating system lubricating the running gear and cooling the pistons.

Incomplete combustion in a running diesel engine can cause piston rings to become stuck as

When inspecting piston rings through the ports of a two－stroke／cycle diesel engine, black

When installing rings on a diesel engine piston, you should check the ring＿.A.diametrical

Insufficient end clearance on newly fitted piston rings in a diesel engine will cause the

In a large, low－speed diesel engine the clearance between the piston crown and cylinder he