题目
1.2.2 船舶柴油机的工作原理和基本结构 Combustion gases formed in the cylinder of a diesel engine are prevented from blowing past the piston by _______.A. cylinder valvesB. compression ringsC. piston skirtsD. oil rings
1.2.2 船舶柴油机的工作原理和基本结构 Combustion gases formed in the cylinder of a diesel engine are prevented from blowing past the piston by _______.
A. cylinder valves
B. compression rings
C. piston skirts
D. oil rings
题目解答
答案
B. compression rings