题记:我国首台具有自主知识产权的国产地铁盾构—“先行号”,犹如初生的婴儿呱呱坠地,在2004年10月18日,投入到上海轨道一号线西延伸段的建设,并完成了首段地铁隧道的推进。它犹如破茧而出的蝴蝶,给中国地下装备制造业的崛起带来一丝春的气息。市场是块大奶酪从上个世纪90年代 Inscription: China’s first domestic subway shield with independent intellectual property rights - the “first”, like a newborn baby born, on October 18, 2004, put into the Shanghai Metro Line 1 West extension of the building, and completed The first section of the subway tunnel. It is like a butterfly that broke out, bringing a touch of spring to the rise of China’s underground equipment manufacturing industry. The market is big block of cheese from the 90s of last century