A vessel engaged in _________shall not impede the passage of any other vessel navigating within a narrow channel or fairway.(1.0)
A.mine clearance operation B.towing operation C.dredging or surveying or underwater operation D.fishing正确答案D
A vessel engaged in _________shall not impede the passage of any other vessel navigating within a narrow channel or fairway.(1.0)
A.mine clearance operation B.towing operation C.dredging or surveying or underwater operation D.fishing正确答案D
