A、at high speed and full load
B、at low speed and part load
C、when heavy fuel oil is used at sea
D、when the ships run long distance
更多“The common rail engines show great advantages in combustion especially（）.”相关的问题
A、stored in a common fuel line B、pumped by the injection pump C、at low pressure D、already atomized
A、A common rail engine；conventional engines B、A conventional engine；common rail engines C、A marine diesel engine；most other engines D、A two-stroke engine；four-stroke engines
A、Watch your feet! Get hold on the rails. B、Watch your step! Get hold of the rails. C、Watch your step! Get hold to the rails. D、Mind your head! Get hold of the rails.
A、by injection pumps B、at a time decided by the injection pump timing C、by a signal opening the magnetic valves D、at a time decided by the cam directly
A、improper adjustment of the bypass valve B、a dribble in the fuel injection nozzle C、insufficient leak-off through injection nozzle packing D、a malfunctioning injection nozzle
A、Between；more commonly B、Among；the most commonly C、Between；not more commonly D、Among；not the most commonly
A、The lifebuoys are on the main deck. B、The lifebuoys are on the forecastle. C、The lifeboat is on the deck railing. D、The lifebuoys are on the deck railing.
A、fluctuates with the engine speed to some extent, independent of the engine speed B、keeps constant at all engine speed, dependent on the engine speed to some extent C、keeps constant at all engine speed, independent of the engine speed D、is decided by the engine speed, constant at all engine speed
客服
TOP
查看正确答案
