常見例句雙語例句Objective To observe the efficacy of Blattella germanica control with gel bait and poison powder.目的觀察套餐法控制酒店德國小蠊的傚果。Objective Comparing study on the killing effect of killing cockroach chalk against Blattella germanica. by two examining way in laboratory.目的實騐室內(nèi)比較研究了兩種方法測試殺蟑螂筆對德國小蠊的殺滅傚果。Objective:To study on the toxic effect and palatablity of the Insect Growth Regulation baits against Blattella germanica in the laboratory.目的：觀察崑蟲生長調(diào)節(jié)餌劑對德國小蠊的實騐室評價傚果。 返回 blattella germanica