This new nozzle is suitable for the bioassay of pesticide efficacy quantitatively against vector pests due to its simple structure and easy operation.

该喷雾头具有结构简单、操作方便等优点，适合卫生杀虫剂室内药效的微量和定量测定。

youdao

This new nozzle is suitable for the bioassay of pesticide efficacy quantitatively against vector pests due to its simple structure and easy operation.

该喷雾头具有结构简单、操作方便等优点，适合卫生杀虫剂室内药效的微量和定量测定。

youdao