单项选择题
A.steel B.copper C.cast iron D.stainless steel
The cylinder is fitted with internal liner so that a wa...
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
The cylinder head, cylinder liner and （） form the combu...
单项选择题The cylinder head, cylinder liner and （） form the combustion chamber.
A.frame B.piston C.crankcase D.explosion plate
The cylinder covers and the liners are bolted together ...
单项选择题The cylinder covers and the liners are bolted together by means of studs （） the cylinder frames.
A.screwing into B.being screw on C.to screw on D.screwed into
