The belated enforcement of mining safety standards has led to closure of many small mines and temporary shortage of coal.
采矿安全标准姗姗来迟后，许多小煤矿被关闭，导致了暂时性的缺煤。
The belated enforcement of mining safety standards has led to closure of many small mines and temporary shortage of coal.
采矿安全标准姗姗来迟后，许多小煤矿被关闭，导致了暂时性的缺煤。
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