A.atmosphere
B.the fresh water
C.compressed air
D.chemical compounds
您可能感興趣的試卷
你可能感興趣的試題
A.a filter
B.a strainer
C.a magnetic filter
D.a fine strainer
A.tank
B.sump
C.vessel
D.bottle
A.a coil spring
B.a sealing ring
C.an oil distributor ring
D.main seal ring
A.the crosshead
B.the journals of the crosshead
C.the crosshead shoes
D.the guides
A.the crank-web
B.the connecting rod
C.the main bearing
D.the cross-head
最新試題
The function of diesel engine piston compression rings is to （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
To determine if the lube oil filter elements need changing, （）.
The main purpose of the piston oil scraper rings is to （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Lube oil cannot be efficiently filtered if its （）.
Combustion knock occurring in a diesel engine can be caused by （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.