基本解释除虫菊酯类同根派生 Pyreghrins相关词英汉例句Keywords Pyreghrins;Pesticides;Hydrocarbons;Chlorinated;Mass Fragmentography;Chemistry;Analytical;Milk; 除虫菊酯类;农药;烃类;氯化;碎片质谱法;化学;分析;乳;Pyreghrins更多例句