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單項選擇題

The power generated in the turbine must （） that required by the compressor.

A.be less than
B.be larger than
C.be as large as
D.not be so large as

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單項選擇題

The position of the piston parts in relation to each other is secured by means of （） and a dowel pin in the crown.

A.bosses
B.through bolts
C.machine-turned recesses
D.long studs

單項選擇題

The position of the piston parts in relation to each other is secured by means of （） in the crown.

A.a mark
B.a bolt
C.a dowel pin
D.a measuring tool