單項選擇題

A.covering wire or fiber rope
B.forcing fids into a line
C.dogging hatches
D.splicing lines

你可能感興趣的試題

A.drop ladder
B.life ladder
C.Jacob's ladder
D.jury ladder

A.Can be released while under strain
B.Is used for boat falls
C.Is used for extra heavy loads
D.Is used for light loads only