开展PCO组织评优活动提高有害生物防制质量開展PCO組織評優活動提高有害生物防製質量 개전PCO조직평우활동제고유해생물방제질량 Launching a campaign to choose best PCO corporations through public appraisal and improving the quality of pest control
万方数据
中华卫生杀虫药械中華衛生殺蟲藥械중화위생살충약계 CHINESE JOURNAL OF HYGIENIC INSECTICIDES & EQUIPMENTS 2005年4期262-264,共3页
