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1991年9月9日,天水凿岩机械气动工具研究所全体人员集会,庆祝建所30周年。这天,淅沥小雨特意为所区换上了新装,空气清淅,彩旗飘扬,“励精图治振兴全国凿岩机械气动工具行业”,“发扬传统搞好科研测试基地检测中心建设”的大幅标语垂落在研究所科研大楼上;“热烈庆祝天水凿岩机械气动工具研究所建所30周年”的巨幅横额悬挂在所区大道的中央。
On September 9th, 1991, all personnel of the Tianshui Rock Drilling Machinery and Air Tools Institute gathered to celebrate the 30th anniversary of the establishment of the institute. On this day, Xiao Li light rain deliberately replaced the area with new clothes, clear air, colorful flags, “a national government’s efforts to revitalize the national rock drilling machinery pneumatic tools industry,” and “to carry forward the traditional scientific research and testing base construction” of the large slogans falling in the study At the institute’s scientific research building, huge banners of “Warmly Celebrating the 30th Anniversary of the Institute of Aerodynamic Tools of Tianshui Rock Drilling Machinery” were hung in the center of the district’s road.