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  • n.DDT (dichloro-diphenyl-trichloroethane)

    • yī píng dī dī tì yóu jì

      滴滴涕油剂

      a bottle of DDT oil spray

    • zài mǒu xiē qíng kuàng xia dī dī tì yǒu xiào qī kě yǐ cháng dá dào gè yuè

      某些情况滴滴涕有效期可以912

      DDT can be effective for 9 to 12 months in some cases.