常見(jiàn)例句Total Solution for Communication System Renovation of Liaoning Tiefa Company, Ltd. 遼寧鐵煤集團(tuán)通信系統(tǒng)改造整體解決方案。Base on the actuality of Tiefa Coal Group Company analyze the problems above emphatically. 本文結(jié)合鐵煤集團(tuán)現(xiàn)狀,著重對(duì)上述問(wèn)題進(jìn)行了分析。This technology is successfully used in Daxing Coal Mine of Tiefa Coal Industry Group. 該技術(shù)已在鐵煤集團(tuán)大興礦獲得成功應(yīng)用。Powder River basin, Uinta basin of USA and Tiefa basin of China are all low coal rank basins. 通過(guò)國(guó)內(nèi)外實(shí)例,分析含氣量和含氣飽和度在煤層氣勘探評(píng)價(jià)中的作用,認(rèn)為在低煤階含煤盆地中進(jìn)行煤層氣勘探很有前景。The geological background of erosion zones in coal seams in Tiefa area is discussed. 論述了鐵法礦區(qū)沖刷帶發(fā)育的地質(zhì)背景;Tiefa basin is a late Mesozoic NNE-trending half graben coal-bearing basin,and the NWW structural system is the most important synbasinal structure. 鐵法盆地屬于晚中生代的NNE向半地塹煤盆地,北西西系是其主要的成盆期構(gòu)造。 返回 Tiefa