单项选择题
A.passes over the stern of the towing vessel B.passes through chocks C.is attached to the disabled vessel D.All of the above
The strongest of the natural fibers is（）.A.cottonB.hemp...
单项选择题The strongest of the natural fibers is（）.
A.cotton B.hemp C.manila D.sisal
The spray of water in low-velocity fog will have（）.A.gr...
单项选择题The spray of water in low-velocity fog will have（）.
A.greater range than high-velocity fog B.lesser range than high-velocity fog C.about the same range as high-velocity fog D.greater range than a solid stream
The splice designed to pass easily through a block is c...
单项选择题The splice designed to pass easily through a block is called a(n)（）.
A.eye splice B.short splice C.long splice D.block splice
