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由黑龙江省平山林业制药厂研制的供飞机超低量喷洒用的新型杀虫油剂杀虫优，于１９８８年通过省级鉴定，并获林业部科技进步三等奖。１９８９年由省林业厅立题同平山林药厂合作推广应用。在大兴安岭地区营林局、黑龙江省草原饲料中心实验站、内蒙古呼伦贝尔盟林木病虫防治...
Developed by Heilongjiang Pingshan Forest Pharmaceutical Factory, a new type of insecticide for insecticide used for ultra-low-level spraying of aircraft has passed the provincial appraisal in 1988 and won the third prize of scientific and technological progress by the Ministry of Forestry. In 1989 by the Provincial Forestry Department set up the same project with the Ping Shan Lin pharmaceutical cooperation and promotion. In Daxinganling District Forest Bureau, Heilongjiang Province Prairie Feed Center Experimental Station, Inner Mongolia Hulun Buir League forest pest control ...