采煤工出身的黄陵矿区一矿井下机修工焦育乐,通过自学刻苦钻研井下电气维修技术,不仅掌握了国内普及的高档采煤和综合机械化采煤设备的电气原理及机械维修,而且还攻下了美国连续采煤机组的技术难点。1996年,他被生产连续采煤机组的美国朗艾道公司特聘为工程师,并应邀去美国进行考察学习。 1980年仅有初中文化程度的焦育乐从陕西富平县农村招工到韩城矿务局一矿当了一名采煤工。繁重的体力劳动,落后的采煤 Coal miners from Huangling mining a mine mechanic Jiao Yuk Lok, self-taught assiduously downhole electrical maintenance technology, not only grasps the popularity of high-grade coal mining and comprehensive mechanization of coal mining equipment, electrical principles and mechanical maintenance, but also captured The technical difficulties of continuous coal mining units in the United States. In 1996, he was appointed as an engineer by Longair Road Company, which manufactures continuous coal mining units, and was invited to study in the United States. In 1980, only junior high school education Jiao Yule recruited workers from rural Fuping County in Shaanxi Province to work as a coal mine worker at the Hancheng Mining Bureau. Heavy manual labor, backward coal mining