A.Any surge occurs
B.Any surge occurred
C.Should any surge occur
D.Should any surge occurring
您可能感興趣的試卷
你可能感興趣的試題
A.Were there loss of energy by friction
B.Since there be loss of energy by friction
C.Were there no loss of energy by friction
D.Should be no loss of energy by friction
A.The smoother;the greater
B.Smoother;less
C.The rougher;the greater
D.rougher;greater
A.in which
B.on which
C.by which
D.from which
A.examined;are not having
B.had examined;would not have
C.had examined;would not have had
D.should examine;would not have
A.can we solve
B.we can solve
C.we will solve
D.can we solved
最新試題
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?()
The cetane rating of diesel fuel is an indication of the ()
To proceed to the assistance of a ship in distress is()
The shipboard oil pollution emergency plan will be invalid after ()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The ISPS Code consists of a mandatory section-Part A, which shows()
The condensers located in various stages of a flash evaporator are cooled by()
Cold weather starting of a diesel engine may be made easier by()
When does auxiliary burner of incinerator put into operation? ()Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish