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单项选择题
A.lifted
B.reassembled
C.dismounted
D.disassembled
单项选择题
A.a low load on that cylinder
B.sluggish piston ring action
C.excessive piston crown cooling
D.excessive clearance of piston pin
单项选择题
A.the same as
B.similar to
C.separated from
D.different from
单项选择题
A.safety valve
B.indicator cock
C.blow-down valve
D.start valve
单项选择题
A.the exhaust valve
B.the starting air
C.the inlet valve
D.the fuel oil
单项选择题
A.to protect
B.to guard
C.to maximize
D.to minimize
单项选择题
A.will be speeded up
B.should be slowed down
C.must slow down
D.have to be slow down
单项选择题
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
A.cooling jacket
B.cylinder liner
C.piston crown
D.cylinder cover
单项选择题
A.the camshaft
B.the flange
C.the ridge
D.the bulge