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animal
:
vegetation
>
touch out effect
触杀作用
是指害虫接触到药剂时,药剂通过虫体的表皮进入虫体内使害虫中毒死亡。具有这种作用的药剂叫做触杀剂。当把触杀剂喷施到虫体表面,或害虫在沾有药剂的物体表面上爬行接触药剂,引起中毒死亡。