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植物源杀虫剂
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植物源杀虫剂
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农学
植物源杀虫剂
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botanical insecticides
植物源杀虫剂
利用从具有杀虫特效的植物中提取的有效成分制成的药剂。又称植物杀虫剂、生物农药。是在对一些植物所具有的杀虫活性及其具有杀虫活性的有效成分研究的基础上发展起来的绿色、安全农药。
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pipeline route
pipeline route design
pipeline route engineering
pipeline safety
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pipeline simulation
pipeline sprinkler irrigation
pipeline stall
pipeline standard
pipeline structure
pipeline subsidiary facilities
pipeline survey and design
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Pipeline Transport
pipeline transportation
pipeline transportation of oil & gas products
pipeline transportation organization and management
pipeline tunnel
pipeline turning point stake
pipeline valve
pipelining algorithm
pipelining of heated oil
pipelining of high pourpoint and viscous oil
pipelining of products by batch
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