你可能感興趣的試題

The usual method of effectively applying foam on a fire is by （）.

A.spraying directly on the base of the fire
B.flowing the foam down a vertical surface
C.sweeping the fire before you with the foam
D.spraying directly on the surface of the fire

單項選擇題

During the inspection, the starting air valves should be closed （）the engine from turning.

A.to increase
B.to speed up
C.to prevent
D.to reduce

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Precision engine bearing inserts are manufactured with a small portion of the bearing ends extending beyond the bearing housing or capsThe installation process of these bearings requires sufficient （）.

你可能感興趣的試題

The usual method of effectively applying foam on a fire is by （）.

During the inspection, the starting air valves should be closed （）the engine from turning.