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时间:2009年6月19~21日地点:北京会议主题:创新安全突破主要内容:国内外盾构技术的现状和发展趋势盾构技术运用及其发展方向
Time: June 19-21, 2009 Venue: Beijing Conference Theme: Innovation and Security Breakthrough Main Contents: Current Situation and Development Trend of Shield Technology at Home and Abroad The Use of Shield Technology and Its Development Direction