你可能感興趣的試題

The latch of a safety hook（）.

A.increases the strength of the hook
B.prevents the sling ring from coming out of the hook if the strain is abruptly eased
C.prevents the sling ring from coming out of the hook if there is a strain on the sling ring
D.All of the above

單項(xiàng)選擇題

The knot used to join two lines or two large hawsers for towing is called a（）.

A.square knot
B.carrick bend
C.sheet bend
D.bowline