海神号事件揭示了航运安全与监管的重要性。bolezi最新视频免费观看

　　In 1931, Britain's most advanced submarine collided with a cargo ship off the coast of China and sank. Three hours later, six sailors surfaced, barely conscious. They were the first men ever to escape from a sunken submarine using a proto-scuba device. Their story hit headlines and went on to inspire a feature film. The miraculous escape changed marine safety forever. But their... (展开全部)