单项选择题
The length of chain between the anchor and the end of the pendant line is called the（）.
A.pigtail chain B.thrash chain C.crown chain D.wear chain
单项选择题 The holding power of an anchor at a given scope of cable increases when the（）.
单项选择题 The holding capabilities of an anchor are determined PRIMARILY by the（）.
单项选择题 The best method of determining if a vessel is dragging anchor is to note（）.
