- dieldrin
- 农药: pesticide; agricultural chem ...
- 497 bc: 前497年
- 农药: pesticide; agricultural chemicals; farm chemical; biocide◇农药毒害 hazard of pesticides; 农药分析 analysis of agricultural drugs; 农药更新 manufacture of new varieties of farm chemicals; 农药混用 combined use of pesticides; 农药施用 applications of pesticide; 农药污染 agricultural chemical pollution; pesticide pollution; pesticide contamination; 农药中毒 pesticide poisoning; 农药助剂 insecticides [pesticide] adjuvant
- 化合物497: dieldrin
- 前497年: 497 bc
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