單項(xiàng)選擇題

The drive motor will have a brake arranged to fail-safe, i√eit will （） the load if power fails or machine is stopped.

A.cast
B.put
C.hold
D.let out

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單項(xiàng)選擇題

（） are used for hauling in or letting out the wires which fasten the ship to the shore.

A.Cargo winches
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單項(xiàng)選擇題

The drive motor will have a brake arranged to fail-safe, ieit will （） the load if power fails or machine is stopped.

A.lift
B.put
C.take
D.hold