單項選擇題The diameter of the gravity disc is too big It causes oil to flow through the water outlet We changed the disc and no () is found in the water outlet.

A.water
B.oil
C.scale
D.ridge


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題The diameter of the crank-pins should be measured with a ().

A.salinometer
B.thermometer
C.tachometer
D.micrometer

4.單項選擇題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

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

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