奎文区
- 网络kuiwen;Kuiwen District
奎文区-
奎文区政府采购管理系统的设计与实现
The Design and Implementation of the Kui Wen District 's Procurement Management System
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目的了解潍坊市奎文潍城两区的德国小蠊敏感品系成若虫对常用杀虫剂的抗药性，便于合理选用杀虫剂，提高灭蟑效果。
Objective To investigate the drug resistance of susceptible strain of the maturity and nymphae of Blattella germanica in order to guide the choice of pesticide and to improve the effect of killing of cockroach .