joint investment短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 联合投资 Considered as a new means to speed up the development of railway construction in China, the joint investment railways represent the direction on reform of the railway investment system. 合资铁路作为加快我国铁路发展建设的一条新路，代表了铁路投资体制改革的方向。 cnki