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"One day [in 1856] a Sheffield-based engineer named Henry Bessemer stood up at a meeting of the British Association for the Advancement of Science and announced
开国将帅 1985年5月9日，原北京军区空军干部部部长梁达三少将在京病逝，享年73岁。梁达三1931年入团，曾任江西瑞金县区少先队队长、少共瑞金县区委书纪。1934年参加红军后，历任红
