山东省煤炭资源具有储量较多、赋存条件较好、煤种齐全、煤质优良的特点，在能源结构中，起着重要作用。
Coal resources in Shandong are characterized by rich reserves, good occurrence, many coal ranks, and good quality, etc. It plays an important role in the energy structure.
山东省煤炭资源具有储量较多、赋存条件较好、煤种齐全、煤质优良的特点，在能源结构中，起着重要作用。
Coal resources in Shandong are characterized by rich reserves, good occurrence, many coal ranks, and good quality, etc. It plays an important role in the energy structure.
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