Shanxi which is a large coal-producing province has the pivotal position in china's coal supply.
山西是我国的产煤大省，在我国煤炭供给中具有举足轻重的地位。
参考来源 - 浅析山西煤炭外运发展现状—《物流科技》—2009年第4期—龙源期刊网First of all, electric utilityes will expand its extent of vertical integration to coal production to assure its coal supply under demand fluctuating.
首先，在需求波动因素影响下，电力企业出于确保煤炭供应的考虑，会扩大进入煤炭生产领域的程度。
参考来源 - 需求波动下的中国煤电产业链纵向安排与经济规制研究·2,447,543篇论文数据，部分数据来源于NoteExpress
First, coal production is well organized to increase coal supply.
一是组织好煤矿生产，增加煤炭供给。
Therefore, the research coal supply chain price undulates and forms the mechanism, has the important theory and the practical significance.
因此，研究煤炭供应链价格波动及其形成机制，具有重要的理论与现实意义。
As for electricity, China is suffering from rising global coal prices — 70% of its electricity generation is coal-fired — and coal supply problems at home.
在电力方面，中国正遭受全球煤炭价格的上涨之苦。国内电力供应的70%依赖燃烧煤炭，而煤炭供应在国内却是问题不断。
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