单项选择题
Once a scavenge fire is detected the engine （）.
A.will be speeded up
B.should be slowed down
C.must slow down
D.have to be slow down
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相关考题
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单项选择题
Once a fire is detected the engine should be slowed downOn no account （）.
A.the trunking should be opened up
B.should the trunking be opened up
C.the trunking should not be opened up
D.should the trunking not be opened up -
单项选择题
On top of scavenging air box is mounted a strong cast iron frame for each cylinder known as（）
A.cooling jacket
B.cylinder liner
C.piston crown
D.cylinder cover -
单项选择题
On the top of the cylinder is mounted the cylinder cover which is pressed onto （） of the cylinder liner by means of nuts and studs.
A.the camshaft
B.the flange
C.the ridge
D.the bulge
