insect powder

杀虫粉

1. 杀虫粉：train regulation 列车调整 | insect powder 杀虫粉 | metachrome olive brown 偏铬橄榄棕

2. 除虫粉,杀虫粉：insect population ==> 虫口 | insect powder ==> 除虫粉,杀虫粉 | insect trap ==> 捕虫器

3. 杀虫药粉：cement gun 水泥喷枪 | insect powder 杀虫药粉 | instrument flying 仪表导航的飞行

4. 除虫菊粉：昆虫 insect | 除虫菊粉 insect powder | 昆虫纲 Insecta

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