“Figure eight”knot is used to ______.(1.0)
A.be a stopper B.shorten a line C.join lines of equal size D.keep a line from passing through a sheave正确答案D
“Figure eight”knot is used to ______.(1.0)
A.be a stopper B.shorten a line C.join lines of equal size D.keep a line from passing through a sheave正确答案D
