A.gravity
B.viscosity
C.density
D.humidity
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A.TBO
B.CEO
C.CFO
D.MCR
A.thermal
B.mechanical
C.plastic
D.elastic
A.drill cooled
B.hole cooled
C.tube cooled
D.bore cooled
A.running-in
B.running-out
C.running on
D.running down
A.10%
B.15%
C.20%
D.25%
最新試題
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
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The shipboard oil pollution emergency plan will be invalid after （）
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Using a file without a handle may result in （）
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If separating effect is not good, which measure should be taken （）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）