单项选择题
A.jam in the most worn part of the cylinder when the rings expand
B.break in the most worn part of the cylinder when the rings expand
C.wear eccentrically on the side opposite the end gap
D.overheat and jam at the top center on the combustion stroke
单项选择题 Before being shut down, a diesel engine should idle a few minutes in orderto （）
单项选择题 The main propulsion diesel continues running after you try to shut downYoushould now attempt to（）
单项选择题 Cylinder linings constructed as an integral part of the block, are characterized by which of the following disadvantages?（）