单项选择题
A.the suction B.the compression C.the removal D.the deliver
Rotating flyweights acting against spring pressure make...
单项选择题Rotating flyweights acting against spring pressure make a simple type of （）.
A.governor B.safety valve C.reducing valve D.feed water regulator
Remote control means that the system is being controlle...
单项选择题Remote control means that the system is being controlled by the operator who is situated （） from the system.
A.automatic B.local C.remote D.manual
Put in the engine turning gear Now examine thoroughly i...
单项选择题Put in the engine turning gear Now examine thoroughly inside the crankcase to （） that everything is correct.
A.make sure B.be sure C.assure D.believe
