很详尽了，谢谢整理。美国对农用药物施行分级管理，许多药只能由专业人员施用。还有战略级的，仅供军方

来源: fuz 于 2017-11-08 18:51:48 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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