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单项选择题
A.should be scraped
B.should be derusted
C.should be drilled out
D.to be brushed off
单项选择题
A.a bridge gauge
B.a micrometer
C.a thermometer
D.a indicator
单项选择题
A.the burning
B.the fuel
C.the air charge
D.the engine piston
单项选择题
A.welded
B.replaced
C.drilled again
D.bored
单项选择题
A.end-chock bolts
B.side-chock bolts
C.through bolts
D.tie rods
单项选择题
A.the gap
B.the clearance
C.the bore
D.the housing
单项选择题
A.tips
B.tags
C.lips
D.keys
单项选择题
A.cam
B.crosshead
C.bulge
D.coupling
单项选择题
A.measuring
B.sounding rod
C.metering
D.weighting
单项选择题
A.top dead center
B.temperature difference center
C.time delay dock
D.top diesel company