plant protection meaning in English

工厂保护
植物保护学

Teaching reform for the major of plant protection
植物保护专业教学改革探析
Highway greening and plant protection for subgrade engineering
公路绿化与路基工程的植物防护
Status quo and development tendency of plant protection equipment
植保机械的研究现状与发展趋势
The plant protection machinery and technology at home and abroad
国内外植保机械及植保技术研究现状

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