英语词汇“downhole non-return valve”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	downhole non-return valve
释义	downhole non-return valve 井下止回阀
随便看	entomarginal entomarginal fissure entomassemblage entombed entomber entombers entombeth entomb in entomochore, entomosporae entomochores entomochoric entomochorous entomb entomochory entomo-comb.f entomoconchacea Entomoconchacea entomodont entombing entombless entombment entombment decommissioning entombments entomoecidum entombs