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üԵҹԹ͡ùӶҹԹǨª ÷ͧͧ ÷ͧ ҹԹ ·仨 2
÷ͧԴ (Open Pit Mine)
繡÷ͧ¡Դ˹ҴԹԴѺ鹶ҹԹ͡ ǵѡҹԹª Ըա÷·شе鹷عӷش͡÷ͧ ѡѺ觶ҹԹ֡ҡѡ ֡ͧͧѺҴͧ鹷Фҵ͡ŧع ͧյдѺǴԹ֧дѺ֡ 500 èҡǴԹ繵
÷ͧԹ (Underground Coal Mine)
㹺dz鹶ҹԹдѺ֡ҡ öͧԴ ҨͧͧԹ ¡âشŧԹͧͪԴɢشѡ§ҹԹ¾ҹ ÷ͧҹԹԹ繡÷ͧͧŧع٧еͧաҧἹ÷ͧҧѴشͻͧѹѹ¨ҡԴͧͧҡǢͧҫ㹪鹶ҹԹͧСöͧԹ繵 ֧ͧա֡ҸóԷиóǡͧ鹷ҧ´
͡ҡ÷ͧҹԹ 㹻Ѩغѹա֡Ԩ㹴ҹҧҡŴšзҡþѲªҹԹ 蹡ҾҹԹ繡ҫ (Coal Gasification) ÷ӶҹԹ (Coal Liquid Mixture) Ŵдǡ͡â Сùӡҫ㹪鹶ҹԹԧ 繵
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