元月18至20日在昆明召开了我处今年的生产会议。会议回顾并总结了81年各科(室)、队生产任务的完成情况,并下达了今年的生产任务。林勘四大队:①铜壁关、大雪山、无量 January 18 to January 20 held in Kunming, my production conference this year. The meeting reviewed and summarized the accomplishments of the task of producing various departments (rooms) and teams in 81 years and issued the production tasks for this year. Lin investigation of the four brigade: ① copper wall, large snow-capped mountains, immeasurable