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8月至10月,我们一行七人对日本的五个煤矿进行了为期77天的研修、参观,对日本煤炭工业有了较全面的了解:一、近30年日本煤炭工业的发展趋势及现状日本国土狭小、资源贫乏。煤炭的主要生产矿井分布在北海道和九洲,埋藏深度一般都在垂深600至
From August to October, our team of seven people conducted a 77-day training and visit to Japan’s five coal mines, and gained a comprehensive understanding of the Japanese coal industry. First, the development trend and current status of the Japanese coal industry in the past 30 years Japan has a small country and is poorly resourced. The main production coal mines are located in Hokkaido and Jiuzhou. The burial depth is generally 600