DIN 20570-1989《大型运输矿车。主要尺寸, 结构》
The standard applies to design, dimensioning and manufacture of high-capacity mine cars (3000 litres) used in mining for transport of coal, ores, salts and wastes.#,,#
The standard applies to design, dimensioning and manufacture of high-capacity mine cars (3000 litres) used in mining for transport of coal, ores, salts and wastes.#,,#