A.principle
B.principal
C.cause
D.case
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A.renewed
B.welded
C.machined
D.chromium-plated
A.film
B.cap
C.lacquer
D.shell
A.a gear
B.a cam
C.a rod
D.a miler
A.recirculating
B.total loss
C.cooling
D.refrigeration
A.a setting tank
B.a service tank
C.a head tank
D.an expansion joint
最新試題
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
In a simple mechanical governor, the （）.
An automated diesel engine should normally shut down due to （）
In using reduction gears to obtain efficient propeller speeds, （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
A diesel engine piston ring face is in direct contact with the （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.