单项选择题
A.Higher compression ratios create higher temperature
B.Higher temperatures create higher compression ratios
C.low temperatures create higher compression ratios
D.Higher compression ratios create low temperatures
单项选择题 An acceptable method of measuring for the correct rotational force applied to the connecting rod and main bearing bolts, is to use a（）
单项选择题 Which of the listed types of starting systems is often used on large, low-speed, direct reversing, main propulsion diesel engines?（）
单项选择题 In a large, low-speed diesel engine the clearance between the piston crown and cylinder head is found to be excessiveIn order to correct for this, you should（）