A.dozens
B.parcels
C.bundles
D.gallons
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A.water cooling
B.oil cooling
C.air cooling
D.combined cooling
A.conflict
B.accord
C.harmonize
D.struggle
A.metering
B.control
C.using
D.timing
A.shockless
B.smokeless
C.no vibration
D.noiseless
A.cooling water
B.cooling oil
C.refrigerant
D.lubricate oil
最新試題
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
The ISPS Code consists of a mandatory section-Part A, which shows（）
If separating effect is not good, which measure should be taken （）
The condensers located in various stages of a flash evaporator are cooled by（）
Using a file without a handle may result in （）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）