常見(jiàn)例句L anz hou L ubricati ng Oil Research & Development Instit ute , Pet roChi na , L anz hou 730060 , Chi na ; 中國(guó)石油蘭州潤(rùn)滑油研究開(kāi)發(fā)中心;蘭州730060;2.;石油大學(xué)重質(zhì)油加工國(guó)家重點(diǎn)實(shí)騐室;北京102200 返回 Rochis