单项选择题
A.slide rule B.go-no-go gauge C.derrick tape D.amp probe
A design modification of an anchor chain which prevents...
单项选择题A design modification of an anchor chain which prevents kinking is the（）.
A.detachable link B.stud link C.Kenter link D.connecting link
A deck fitting，used to secure line or wire rope，consist...
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
A contra-guide is a type of（）.A.bow thrusterB.cargo gea...
单项选择题A contra-guide is a type of（）.
A.bow thruster B.cargo gear C.steering engine D.rudder
