答案解析
In diesel engines designed with a crosshead, the motion of the piston rod can be described as _____.
Incomplete combustion in a running diesel engine can cause piston rings to become stuck as
As a heat engine, () energy is the source of power by which a diesel enginecan be operate
A diesel engine emits blue exhaust smoke as a result of ___________.A.cold intake airB.exc
When a diesel engine is operate at partial load, as compared to full load ,a decrease will
______ I know, he has been abroad.A: As far asB: As soon asC: As well asD: As much as