释义 |
tar sand tɑ:sænd 短语¹⁴⁴⁹⁷²⁺² 基本例句 n.柏油砂 So- called nonconventional resources, such as coal bed methane, gas hydrate, oil shale, and tar sand, were explicitly excluded from the study. 非常规资源,包括煤层气、天然气水合物、油页岩、油砂均不考虑。 yeeyan Tar sand oil was extracted from the Xinjiang tar sands and some kinds of asphalt products with special uses and higher value were prepared from the said oil. 前言: 以新疆小西沟、风城两种油砂为原料,利用甲苯抽提制取的油砂稠油研制开发高价值的特种沥青产品。 chemyq |