【单选题】If you hear a continuous blast of the ship’s whistle for a period of a period of not less than 10 saconds supplemented by a continuous ringing of the general alarm bells for not less than 10 seconds,y...
【简答题】A. The safe working load of the shore derricks. B. The safe working load of the ship’s derricks. C. The safe working load of the shore cranes. D. The safe working load of the ship’s cranes.