单项选择题
A.its normal location of stowage B.the direction of twist in the strands C.the manner in which it is coiled D.the manner in which it is rigged
A.cheek B.gypsy C.sheave D.drum
A.three times the circumference of a manila line B.five times the diameter of a manila line C.twice the diameter of its sheaves for manila line D.twenty times the diameter of a manila line