Methods 25 state owned coal mines and 34 small coalpits in Anhui were investigated. Results Pneumoconiosis was the major occupational disease.

方法采用职业流行病学方法对淮北、淮南矿业集团2 5个国有煤矿和全省34家小煤窑的职业卫生状况进行调查研究。

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The main task of large state-owned coal mines is still to improve system circumstances.

改善制度环境，仍然是国有大型煤矿的主要任务。

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So, large state-owned coal mines can not satisfy the basic requirements to accomplish modern human resources administration.

国有大型煤矿不具备实行现代人力资源管理的基本条件。

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She took on Britain's labor unions and whittled the size of the state through sweeping privatizations and the closure of unprofitable state-owned enterprises, from coal mines to steel plants.

WSJ: Former British Prime Minister Margaret Thatcher Dies

She took on Britain's then-powerful labor unions and whittled the size of the state through sweeping privatizations and the closure of unprofitable state-owned enterprises, from coal mines to steel plants.

WSJ: Former British Prime Minister Margaret Thatcher Dies