你可能感興趣的試題

Trunk type diesel engine pistons are effectively cooled when heat is（）

A.radiated through the engine block
B.transferred to water cooled cylinder walls
C.conducted through the piston crown
D.transferred to escaping exhaust gases

單項(xiàng)選擇題

Maintaining the proper fuel oil temperature will result in （）

A.the elimination of valve wear
B.improved atomization
C.a decrease in cylinder blow-by
D.an increase in cylinder blow-by

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