This paper is to investigate if lyotropic crystal system can improve oil recovery after polymer flooding.该文研究的目的在于考察溶致液晶体系在聚合物驱以后能否进一步提高采收率的问题.The theoretical study predicted the stability ranges of various lyotropic liq...
That store overcharges tourists.那家商场对游客要价过高。That grocer always overcharges.那个杂货商总是要高价.That grocer never overcharges.那杂货商从不多要价.The man is an honest tradesman. He never gives short measure nor overcharges his customers.这人买...