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齿轮油攻关组第四次会议和齿轮油专业组第七次会议分别于四月13日至15日和17日至19日在广州南海召开。攻关组检查了1985年工作计划完成情况,制定了1986～1987年度工作计划,今年
The fourth meeting of gear oil research group and the seventh meeting of gear oil professional group were held in Nanhai, Guangzhou from April 13 to April 15 and from January 17 to April 19 respectively. The research team examined the completion of the work plan in 1985 and formulated the work plan for 1986 to 1987. This year