常見(jiàn)例句the molecular effective usage and development of naphthane,condensate and H-VGO in optimum processes were discussed; 分析了石腦油、凝析油、加氫尾油在乙烯原料優(yōu)化過(guò)程中的分子合理利用及其進(jìn)展; 返回 naphthane