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When good and steady service conditions have been achieved, the running surfaces of the piston rings and cylinder liner will be()In addition, the rings will move freely in the grooves and also be well oiled intact, and not unduly worn.

发布日期:2021-03-22

When good and steady service conditions have been ...
A

hazy light

B

hazy light brown

C

hazy light blue

D

hazy light grey

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