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单项选择题
A.bedplate, connecting rods
B.crankshaft, the connecting rods
C.frames, crossheads
D.crankshaft, the cylinder
单项选择题
A.the information
B.the formation
C.the scatter
D.the friction
单项选择题
A.the cylinder weight
B.the cylinder bore
C.the cylinder length
D.the cylinder cover
单项选择题
A.density
B.bore
C.weight
D.material
单项选择题
A.steel guides
B.steel shells
C.steel bearing caps
D.pig iron
单项选择题
A.flange
B.flash
C.plate
D.sheet
单项选择题
A.main bearing shells
B.main bearing
C.steel
D.bearing metal
单项选择题
A.inside the bearing
B.outside the bearing
C.covering the crankshaft
D.none of the above
单项选择题
A.seized
B.clogged
C.melted
D.inserted
单项选择题
A.sufficient quantity; measured
B.measured quantity;sufficient
C.excessive quantity;sufficient
D.the less quantity the better;the more the better