常見(jiàn)例句Keywords sodium petroleum sulfonates, enhanced oil recovery, molecular weight distribution, average molecular weight, branchiness index, aromaticity, interfacial tension; 石油磺酸鈉;三次採(cǎi)油;分子量分佈;平均儅量;支化度;芳香度;界麪張力;Branchi 佈蘭基 返回 branchiness