opes or wires attached to derricks to pre
题型:单项选择题
问题:
opes or wires attached to derricks to prevent them from swinging during cargo handling operations are().
A.Preventers
B.Side ropes
C.Stays
D.Guide lines
opes or wires attached to derricks to prevent them from swinging during cargo handling operations are().
A.Preventers
B.Side ropes
C.Stays
D.Guide lines