单项选择题
A.variable injection timing B.variable inlet tonnage C.vertical incoming tonnage D.vertical inlet tank
Under manoeuvring condition the main engine may run on ...
单项选择题Under manoeuvring condition the main engine may run on （）.
A.gas oil B.marine diesel oil C.residue oil D.crude oil
Two-stroke engine turbocharging is achieved by two dist...
单项选择题Two-stroke engine turbocharging is achieved by two distinct methods, （） termed the constant pressure and the pulse system.
A.respectable B.respectful C.respective D.respectively
Turbocharging system may be designed to operate on eith...
单项选择题Turbocharging system may be designed to operate on either the （） or the constant pressure exhaust system.
A.pulse B.exhaust C.fluctuating D.hunting
