IFTCOCA²⁵⁴³³⁷⁺⁶ 基本例句 n.中频变压器¹⁰⁰ Also, the IFT of water and oil, surfactant slug size, injection rate and injection opportunity on reducing injecting pressure and improving EOR efficiency are investigated. 同时系统研究了油水界面张力大小、表面活性剂段塞大小、注入速度以及注入时机对低渗岩心降压增注和提高采收率的影响规律和特征。 fabiao