单项选择题
The cylinder is fitted with internal liner so that a water space is left （） the liner and the outer wall.
A.around B.among C.in D.between
单项选择题 The cylinder head, cylinder liner and （） form the combustion chamber.
单项选择题 The cylinder covers and the liners are bolted together by means of studs （） the cylinder frames.
单项选择题 The cylinder covers and the liners are bolted together by means of （）.
