boreholes造句
Theyalsomaintainedboreholesandwaterpumpsinthecamps.Inmanycountries,drinkingwaterisobtainedfromgroundwatersourcessuchassprings,Wellsandboreholes.Theabovestatedmethodwassuccessfullyappliedto23largediame...
Theyalsomaintainedboreholesandwaterpumpsinthecamps.Inmanycountries,drinkingwaterisobtainedfromgroundwatersourcessuchassprings,Wellsandboreholes.Theabovestatedmethodwassuccessfullyappliedto23largediame...