论文部分内容阅读
1979年11月10日至14日,冶金部在武安所召开了五项安全科技成果鉴定会。冶金部安全局主持了这次会议。会议对矿并充气密闭球囊,
November 10, 1979 to 14, the Ministry of Metallurgical held in Wu’an five safety appraisal of scientific and technological achievements. Metallurgical Security Bureau presided over the meeting. Conference on the mine and inflatable closed balloon,