單項(xiàng)選擇題The design of () is similar to that of the main bearing.

A.the block bearing
B.the camshaft bearing
C.the connecting rod small end bearing
D.the connecting rod large end bearing


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1.單項(xiàng)選擇題The cylinders, with cooling jackets, are () to the engine frame by eight tie rods.

A.screwed
B.welded
C.fastened
D.rotated

2.單項(xiàng)選擇題The cylinder liners are made of () and the cylinder surfaces are sometimes chromium-plated.

A.steel
B.copper
C.cast iron
D.stainless steel

4.單項(xiàng)選擇題The cylinder head, cylinder liner and () form the combustion chamber.

A.frame
B.piston
C.crankcase
D.explosion plate

5.單項(xiàng)選擇題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