The necessity of tank cathodic protection is detailed and impact of tarsand and electric insulation on cathodic protection system is highlighted.
阐述了储罐阴极保护的必要性,并重点探讨了沥青砂层及电绝缘对阴极保护系统影响的问题。
2
Tarsand 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.
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。
3
A containment pond holds tar sands tailings, consisting of a mixture of sand, water, and toxic chemicals that remain after the unrefined oil products have been extracted.