黑龙江省大庆市,大庆120万吨乙烯装置平稳运行,一轮皎洁的明月挂在夜空,装扮着石化装置的夜景。图片来源:ICphoto
[上一页] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [下一页]