During combustion, the sealing surfaces of a diesel engine piston ring are considered to be the ring area in contact with the cylinder wall, in addition to the ring area in contact with the ring groove __________.
A
bottom
B
back
C
top
D
side
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Question 1 / 205eccefa1bacbc34ba4d47541
Question 1 of 205eccefa1bacbc34ba4d47541
During combustion, the sealing surfaces of a diesel engine piston ring are considered to be the ring area in contact with the cylinder wall, in addition to the ring area in contact with the ring groove __________.
During combustion, the sealing surfaces of a diesel engine piston ring are considered to be the ring area in contact with the cylinder wall, in addition to the ring area in contact with the ring groove __________.