欧米惠必应词典

Defoliants

欧米惠必应词典

基本解释

  • 脱叶剂

同根派生

     

英汉例句

  • (2) by spraying defoliant to control second instar larva, all the defoliants with 3 different concentrations could control the insects indirectly, and the effectiveness was as high as 95%;
    通过施用脱叶剂处理叶片的方法来防治2龄若虫，试验所设3种浓度的脱叶剂均能间接起到防治作用，其效果均达到了95%25以上。