stream channel短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 河道河床,有海流的海峡 The self- innovative technologies mainly are: the recognized methods of single point bar of meandering stream channel and extracted technologies of its relevant parameters; 自主创新成果主要包括:基于水平井资料的曲流点坝识别方法及相应参数提取技术; say666