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研究发现用杀虫剂喷雾剂杀灭德国小蠊几乎没有任何效果然而，肯塔基大学和奥本大学的研究人员进行的实验室测试表明，残留杀虫剂对德国蟑螂（Blattella germanica）几乎没有影响，而德国蟑螂是侵扰世界 ...
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