1日本最大的煤矿——三井·三池煤矿关闭被称为日本煤矿象征的三井三池煤矿，于1997年3月30日宣布关闭。三池煤矿从1837年以后，经历了16年的国营煤矿时期，到1889年，被政府拍卖给三井家族，在以后漫长的108年间，作为日本最大的煤矿，对20世纪前半期日本的经济发展以及第二次 1 Mitsui Sanchi Coal Mine, Japan’s largest coal mine, closed The Mitsui Sanchi coal mine, which is known as the Japanese coal mine symbol, was declared closed on March 30, 1997. The Sanchi coal mine has undergone 16 years of state-owned coal mines since 1837 and was auctioned by the government to the Mitsui family in 1889. In the following 108 years, as the largest coal mine in Japan, its economic development in the first half of the 20th century and the second time