單項選擇題

Great care is dedicated to the removal of from the scavenge air（）

A.gravity
B.viscosity
C.density
D.humidity

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單項選擇題

The top piston ring is plasma coated to give the lowest wear rate to reach the goal of two-years’ with sufficient margin（）

A.TBO
B.CEO
C.CFO
D.MCR

單項選擇題

Around the combustion chamber, all the main components are bore cooled to give low strains and the smallest, circumferentially symmetric deformations for good sealing between piston rings and liner（）

A.thermal
B.mechanical
C.plastic
D.elastic

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