单项选择题
A.The high；the large
B.The higher；the larger
C.The lower；the larger
D.The low ；the large
单项选择题 （） the cylinder walls, the heat passes through them by conduction.
单项选择题 The hot expanding gas rotates the blades of the exhaust turbine, thus （） a large of its power, （） drives the compressor.
单项选择题 In the combustion chamber, the part whose surface is exposed to the highest temperature is the （）.