單項(xiàng)選擇題
A.if the ship must be stand by B.if M-E should be stopped C.if keep-watching as in voyage D.if the ship must anchor two anchors
A.in/ut port B.passing through big bridge C.big steering angle for direction changing D.in/out port and passing through big bridge
A.first survey and certificate exchange survey B.first survey and operation survey C.first survey and periodic survey D.classification survey and certificate exchange survey