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为发展大型露天煤矿成套设备,提高我国露天煤矿的装备水平,一机部矿山局和煤碳部设计管理局于4月上旬在沈阳联合召开了露天煤矿用成套设备发展讨论会。会议认为φ150-200毫米旋转钻机、12米~3挖掘机,68吨和100吨电动轮自卸汽车,100吨铁路气动自翻车、5米~3前端式装载机、旋回破碎机和重型板式给料机等设备的技术参数是合适的。有些设备(如12米~3挖掘机、68吨和100吨电动轮自卸汽车、前端式装载机等)已经过一段时间生产实践的考验,运转状况基本良好,可以配
In order to develop a complete set of large-scale opencast coal mine equipment and improve the level of open-pit coal mine equipment in China, a mechanized mining bureau and the Coal Design Bureau jointly held a seminar on the development of complete sets of open-air coal mine equipment in Shenyang in early April. The meeting considered φ150-200 rotary drilling rigs, 12-3 excavators, 68- and 100-ton electric wheel dump trucks, 100-ton railway pneumatic self-couping vehicles, 5-3mesh front-end loaders, gyratory crushers and heavy plate type Machine and other equipment technical parameters are suitable. Some equipment (such as 12-3 excavators, 68-ton and 100-ton electric wheel dump trucks, front-end loaders, etc.) have been put to the test of production practice for a period of time and have basically good operating conditions and can be equipped with