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10月21日,中国煤制天然气/煤层气(国际)高峰论坛在鄂尔多斯市开幕。鄂尔多斯市副市长李国俭出席论坛开幕式。
On October 21, China Coal Gas / CBM (International) Summit was opened in Erdos. Vice Mayor of Ordos Li Guojian attended the opening ceremony of the forum.