Main engines as well as auxiliary engines operating on heavy fuel should have continuousoon the lubricating oil, either according tothebypass or batch principles A.filteringB.centrifugingC.depositingD.operating
Main engines as well as auxiliary engines operating on heavy fuel should have continuousoon the lubricating oil, either according tothebypass or batch principles
A.filtering
B.centrifuging
C.depositing
D.operating
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