单项选择题
A.5 times the depth of the water in good holding ground
B.10 times the depth of the water in shallow water
C.2 times the depth of the water in poor holding ground
D.8 times the depth of the water in deep water
单项选择题 If kinking results while wire rope is being coiled clockwise，you should（）.
单项选择题 If an attempt is made to hoist a load that exceeds the capacity of an electric winch，an overload safety device causes a circuit breaker to cut off the current to the winch motor（）.
单项选择题 Herringbone is a term associated with（）.