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石油专用胶经专家鉴定后，很快在胜利油田各采油厂试用成功，又在中原油田、大庆油田及中国石油天然气总公司下属很多单位推广应用，均取得了明显的经济效益，充分显示了该胶的应用前景和巨大生命力。
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