fumigation agent

例句：

1. 1. The fumigation agent is used to kill harmful insects in the food storage area.
   熏蒸剂用于在食品储存区杀灭有害昆虫。
2. 2.The disinfectant was effective in removing surface bacteria from the surgical site.
   消毒剂在去除手术部位的表面细菌方面是有效的。
3. 3. Sterilizers are used to ensure that equipment and surfaces are free of contaminants before use.
   消毒器用于在使用前确保设备和表面无污染物。