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Warmly Welcome Leaders From Jining Municipal Economic and Information Technology Committee, Tsinghua University, and HUAWEI Company to Visit China Coal Group
Afternoon of January 7th, with accompany of Wang Youbing, the investigator Jining Economic Information Committee and director of the office of the city information technology industry base, President
Maintenance and inspection measures for mine wagon
Daily maintenance: Check whether the wheel of the minecart rotates flexibly, and whether the sound is normal when the wheel rotates. Whether the yaw of the wheel and the wear of the rim are beyond the