1937年7月7日。日本帝国主义一手制造“芦沟桥事件”,悍然发动全面侵华战争。我国航业界为保卫祖国独立,民族生存,积极投入反侵略的正义战争。他们沉船封港,阻止日军入侵,换旗航行,维持交通运输,抢运器材物资,保存实力,六大江轮开进川江等,对抗战作出了巨大贡献。沉船封港阻止日军入侵 July 7, 1937. The Japanese imperialists made “the Lugouqiao incident” with their own hands and brazenly launched an all-out war against China. China’s aviation industry is actively involved in a just war against aggression in order to defend the independence and survival of the motherland. They made a great contribution to the war of resistance against Japan by sinking their ships to the port, preventing the invasion by the Japanese army, changing their flag, maintaining transportation, grabbing supplies and equipment, preserving their strength, and launching the six river basins into Chuanjiang. Shipwreck blocked Hong Kong invasion of Hong Kong