Analyses the geological factors influenced comprehensively mining production of Xiqu coal mine, puts forward prevention and cure measures in accordance with specific problems.
分析了影响西曲矿综采生产的地质因素，针对具体问题提出防治措施。
Note that item 3 holds constant the supply curves of the factors of production to the specific group.
注意，上述第三点是要求特定群体面临的生产要素供给曲线保持不变。
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