The eradication of an established infestation is not easy.根除昆虫蔓延是不容易的.In the past century, eradication efforts failed against hookworm , yellow fever and malaria.在过去的几个世纪, 对付钩虫,黄热病, 和疟疾的效果失败.This is often required for in...
The eradication of an established infestation is not easy.根除昆虫蔓延是不容易的.This is often required for intelligent control and eradication.这经常需要灵巧的控制与消除.We must take this good opportunity to fight an excellent eradication batt...