单项选择题
The cylinders, with cooling jackets, are () to the engine frame by eight tie rods.
	A.screwed
	B.welded
	C.fastened
	D.rotated
                    
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            相关考题
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                                    单项选择题
                                    
 The cylinder liners are made of () and the cylinder surfaces are sometimes chromium-plated.
 A.steel 
 B.copper
 C.cast iron
 D.stainless steel
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                                    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
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                                    单项选择题
                                    
 The cylinder head, cylinder liner and () form the combustion chamber.
 A.frame 
 B.piston
 C.crankcase
 D.explosion plate
 
             
             
                
            