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当前,我省部分煤矿机械企业正面临着产品销售量下降,经济效益不好的严峻局面,出现这种状况的原因除了企业内部因素外,还与外部因素有
At present, some coal mining machinery enterprises in our province are facing a severe situation in which the sales volume of products declines and the economic efficiency is not good. The reasons for this situation are not only internal factors but also external factors.