单项选择题
A gypsy or gypsyhead is a（）.
A.punt used for painting over the side B.small，reciprocating steam engine C.spool-shaped drum fitted on a winch D.swinging derrick
单项选择题 A flounder plate，on a topping lift，is（）.
单项选择题 A face line is used to（）.
单项选择题 A drift lead indicates that the vessel is dragging anchor when the line is（）.
