單項(xiàng)選擇題

A spring line is（）.

A.any wire rope used for mooring
B.a fire-warp
C.a mooring line running diagonally to the keel
D.a mooring line perpendicular to the keel

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單項(xiàng)選擇題

A spanner is a（）.

A.cross connection line between two main fire lines
B.special wrench for tightening couplings in a fire hose line
C.tackle rigged to support a fire hose
D.None of the above

單項(xiàng)選擇題

A small fuel spillage has occurred during helicopter refueling. After the leak has been stopped and fire-control personnel have been notified and are standing by，the next step is to（）.

A.proceed with fueling operation
B.have helicopter move to a safer location
C.wash spilled fuel away with a flood of water
D.clean spilled fuel with rags

A spring line is（）.

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A spanner is a（）.

A small fuel spillage has occurred during helicopter refueling. After the leak has been stopped and fire-control personnel have been notified and are standing by，the next step is to（）.

A small fuel spillage has occurred during helicopter refueling. After the leak has been stopped and fire-control personnel have been notified and are standing by，the next step is to（）.