单项选择题
A deck fitting，used to secure line or wire rope，consisting of a single body with two protruding horns is called a（）.
A.bitt B.bollard C.capstan D.cleat
单项选择题 A contra-guide is a type of（）.
单项选择题 A common means of connecting shots of anchor chain in the field is to use a（）.
单项选择题 A chain stripper is used to（）.
