Heat for igniting the fuel oil in the cylinder of a diesel engine is generated by the ______.

During working, when the piston is near the _____, the air ignites the fine spray of fuel.

Fuel is ignited in a diesel engine cylinder by _____.A.a spark plugB.injectorsC.the heat o

The soot blowers are operating in the oil fuel boiler the air/fuel ratio must _____ throug

（)provides strength and storage space for fuel，lubricating oil，fresh water，salt（ballast)wa

The ignition quality of a diesel fuel oil is indicated by the ________.A.specific gravityB

Which of the listed factors will indicate the most about the ability of a fuel to ignite i