石油输出国组织: opec = organization of the petroleum exporting countriesopec organization of petroleum exporting countriesorganisation of petroleum exporting countries （opec）organization of petroleum expo
欧佩克: opec (organization of petroleum exporting countries)
石油输出国组织通讯社: news agency of the organization of petroleum exporting countriesopecna
独立石油输出国组织: independent petroleum exporting countries
阿拉伯石油输出国组织: arab organization of petroleum exporting countriesoapec organization of arab petroleum exporting countriesorganization of arab petroleum exporting countries (oapec)organization of arab pet
