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一、锡兴铁矿的设备南非钢铁公司锡兴矿是世界大型矿山之一。1979年55辆150吨电动轮汽车每月消耗燃油约3000吨。为减少燃油消耗,公司进行
First, the tin-iron ore equipment South Africa’s tin mining company is one of the world’s large-scale mines. 1979 55 150-ton electric wheel cars consume about 3,000 tons of fuel a month. To reduce fuel consumption, the company conducted