Cross section of a drawdown cone of a pumping well.JPG
Didiervberghe
en
Cross section of a drawdown cone of a pumping well, Cross section of a drawdown cone of a pumping well.svg
commons
en
Cross section of a drawdown cone of a pumping well, Aquifer test, Images with inappropriate JPEG compression
commons
ja
ポンプ井戸のドダウンコーンの断面、ポンピング井戸のドダウンコーンの断面
commons_translated
ja
ポンプ井戸のドダウンコーン断面、帯水層テスト、JPEG不適切な圧縮画像
commons_translated
permeable aquifer tactless inappropriate distasteful tactlessly tactlessness inappropriately pump well inappropriateness indecency image compression indecent