Located at an arid area in the middle of Guansu Province, Dashuitou Coal Mine shares a poor natural condition.
大水头煤矿区地处甘肃中部的干旱山区，自然条件很差。
Sichuan Basin is characterized by special architecture, complicated reservoir forming condition, rich natural gas and poor oil resources.
四川盆地结构特殊、成藏条件复杂、气多油少。
Sichuan Basin is characterized by special architecture, complicated reservoir forming condition, rich natural gas and poor oil resources.
四川盆地结构特殊、成藏条件复杂、气多油少。
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