The efficacy of three kinds of mothproofers,camphor,p-dicholorabenezene and pyrethriod,against Attgenus unicolor was studied and compared.

  • 本文比较研究了樟脑、对二氯苯、拟除虫菊酯三种不同成分防蛀剂实验室防蛀效果;
目录 查词历史