There are some problems in gasoline fractionating system, dilution steam generating system, PH value controlling of quench water and sour water.
英
美
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針對北京東方化工廠(chǎng)乙烯裝置汽油分餾塔、釋蒸汽發(fā)生系統以及急冷水、性水pH值等在運行中出現的問(wèn)題,說(shuō)明了問(wèn)題的原因所在。
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国内精品美女A∨在线播放xuan