1983年11月末,黑龙江省交通厅召开了第二次黑色路面座谈会。参加座谈会的有省内外11个单位的人员49人。会议着重总结和检查了由专业队伍施工的哈同、哈大、呼绥、绥庆等线的黑色路面质量稳步上升的具体做法和经验,以及尚存 The end of November 1983, Heilongjiang Provincial Communications Department held the second black pavement forum. There were 49 persons in 11 units inside and outside the province attending the symposium. The meeting focused on summarizing and examining the concrete practices and experiences of steadily increasing the quality of black pavement constructed by professional teams such as Harbin, Hada, Husui and Suiqing, as well as the existing