目的测定4种不同配方杀虫气雾剂对常见的3种卫生害虫的药效。
Objective To test the control efficacy of 4 different formulation aerosols against 3 species of insects.
目的通过生物测试，观察天然除虫菊素杀虫气雾剂对蟑螂的药效。
Objective To observe the efficacy of pyrethrins aerosol against cockroaches by bioassay.
结论天然除虫菊素杀虫气雾剂具有安全，高效等特点，值得推广应用。
Conclusion Pyrethrins aerosol was safe for use and had high efficacy. It should be generalized.
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