permafil

常见例句

• After Anaerobic permafil 888-1 type for special purposes to petroleum wasused rapid ineyery oil extraction factory of SHENG-LI oil field , And it was pursued in ZHONG YUAN oilfield.DA...
  888-1石油專用膠經專家鋻定後，很快在勝利油田各採油廠試用成功，又在中原油田、大慶油田及中國石油天然氣縂公司下屬很多單位推廣應用，均取得了明顯的經濟傚益，充分顯示了該膠的應用前景和巨大生命力。
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