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“你是李技术员吗?我是棋盘乡胜利垸渔场的黎贵成,今天上午起发现蟹子上面长了很多纤毛虫,不知用么药才好……”刚从省城参加鱼病防治学习的李技术员在回
“Are you a technician from Li? I am Li Guicheng, a fisherman from Shengli, a chessboard town. I found a lot of ciliates growing above the crabs this morning. I just do not know what medicine to use ...” I just attended the provincial fish disease prevention and control study Lee technician is back