关于boreholes的百科

• boreholes造句怎么写

• Theyalsomaintainedboreholesandwaterpumpsinthecamps.Inmanycountries,drinkingwaterisobtainedfromgroundwatersourcessuchassprings,Wellsandboreholes.Theabovestatedmethodwassuccessfullyappliedto23largediametergasdrainageboreholes.Itismadeupof86boreholes,2....
• 2017-09-1527821