單項選擇題

A spring line is a（）.

A.mooring line made of spring lay wire rope
B.mooring line running diagonally to the keel
C.mooring line parallel to the keel
D.wire rope used for securing an anchor buoy

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單項選擇題

A six-strand composite rope made up of alternate fiber and wire strands around a fiber core is called（）.

A.Spring lay
B.Lang lay
C.Cable lay
D.Alternate lay

單項選擇題

A rope made of a combination of wire and fiber is known as（）.

A.independent
B.lang lay
C.preformed
D.spring lay