chemical control
化除技术
化控
化控技术
防治效果
化学防除
化学防治药剂
药物防治
除草剂
化学防治
化学控制
化学药剂
防治
化学防控
防治技术
百菌清烟剂
化学调控
药剂防治
化学除草
药剂防除
天敌
化学控制方法
Chemical control and regulation
chemical control efficacy
Chemical control experiment of Opogona sacchari
Chemical Control of Ceroplastes jponicus Green
Chemical control of leaf age model
chemical control of nuclear reactor
chemical control of pest
chemical control of weeds
Chemical control seed coating
chemical control strategies
chemical control strategy
chemical control system
chemical control technique
Chemical control technology