单项选择题
A.ability of the anchors to hold in a seabed
B.anchor chain catenary length
C.variability of the fairlead
D.angle of the flukes
单项选择题 The lockmaster has given you permission to tie off on the lower guide wall to wait your turn to lock through. What should you be most concerned with? （）
单项选择题 The length of chain between the anchor and the end of the pendant line is called the（）.
单项选择题 The holding power of an anchor at a given scope of cable increases when the（）.