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俄通社——塔斯社5月31日报道,莫斯科和彼尔姆的科研人员将在45个矿井用生物方法清除焦油沉积物的实验。“清洁剂“用的微生物,生成的物质可消除石蜡沉
According to reports from the Russian news agency Tass news agency May 31, researchers in Moscow and Perm will use biological methods to remove tar deposits at 45 mines. Microorganisms used in “cleaners” that produce substances that eliminate paraffin deposits