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欧洲的工业革命为世界航海业带来了“蒸汽发动机”技术,航海事业进入了铁甲船时代。英国侵略者凭借其船坚炮利发动了鸦片战争,随着民族灾难的加深,清王朝统治阶级内部的有识之士开始推动“师夷之长技以制夷”的自强运动,引进外来科学技术,建造蒸气机为动力的轮船。从木壳木胁船身无装甲(全木质结构),到铁胁(钢槽为胁)木壳,铁胁双重木壳无装甲,到钢胁钢壳装甲舰。从明轮到暗轮(螺旋桨),从螺旋桨到双螺旋蒸汽机;从卧式单汽缸蒸气机,卧式2汽
The industrial revolution in Europe has brought “steam engine” technology to the world maritime industry, and the navigation industry has entered the era of armored shipping. The British invaders, by virtue of their ship’s gunfire, launched the Opium War. With the deepening of the national disaster, people of insight within the ruling class of the Qing dynasty began to push for the “self-improvement movement of” External science and technology, the construction of steam powered steamship. From armored wood-hull hull without armor (all-wood structure), to the iron threat (steel tank for the threat) of wood, iron threatening double wood shell without armor, to the steel-steel armored ship. From plain wheel to dark wheel (propeller), from propeller to twin-screw steam engine; from horizontal single-cylinder steam engine, horizontal 2 steam