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單項選擇題

Cylinder wall temperature, fuel oil supplier, and oil passage （）.

A.are interdependent
B.are not interdependent
C.have nothing to do with each other
D.are independent

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單項選擇題

The development of oils （） the increasing demands made by the steady rise in powers produced by modem diesels.

A.has kept pace with
B.has kept pace to
C.has made pace with
D.has made pace to

單項選擇題

（）the compression ratio, （） the proportion of the heat energy of the combustion turned into useful work at the crankshaft, other things being equal.

A.The high；the large
B.The higher；the larger
C.The lower；the larger
D.The low ；the large

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