新鲜事
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Methanesulfonic acid (MSA) has been proven as a scale remover and, more recently, as a stand-alone stimulation fluid in carbo ..
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http://finance.qq.com/a/20141210/008231.htm?pgv_ref=aio2012&ptlang=2052 地下水开采形成压力漏斗,石油也会,但为什么很少见 ..
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帖错板块了,转移至此版块,链接:http://www.agoil.cn/read-htm-tid-305010.html
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