小窍门1胶带灭蟑螂:把封纸箱用的宽胶带剪成条,长宽自定。然后将其放在蟑螂经常出没的地方。第二天早晨就会粘到蟑螂。小窍门2洋葱头灭蟑螂:用鲜牛奶(或奶粉)及洋葱头榨出的汁液,将适量硼酸粉、面粉和成浆糊状,分放在硬纸片上,置于蟑螂经常出没处,蟑螂爱食,食后即死。此法长期有效。 Tip 1 tape off cockroaches: The seal tape with a wide strip of paper cut into strips, length and width custom. Then place it where cockroaches often haunt. The next morning it will stick to cockroaches. Tips 2 Onion head cockroaches: With fresh milk (or milk powder) and onion juice squeezed out, the amount of boric acid powder, flour and into a paste, on the piece of paper, placed in cockroaches often haunted, cockroaches Love food, die after eating. This method has long been effective.