Since insects may already have, and can quickly develop, a resistance to chemicals, a rotation system using different sprays may be necessary.

 
  • 由于昆虫可能已经,或者会很快产生对化学品的耐药性,所以可能有必要轮换使用不同的喷雾剂。
今日热词
目录 附录 查词历史