单词	root pass
释义	root pass 根部焊道
随便看	air-lift reactor air-lift reactor fermentation Airlift Readiness Center airlift recovery air lift recovery airlift requirement airlift requirements collector air-lift reverse circtdation airlift reverse circulation air-lift reverse circulation air-lift reverse cir-culation air-lift reverse circulation drilling air-lift reverse circulation technology air-lift reverse technique Air lift rod transfer elevator airlifts air-lifts airlift service Airlift Services Industrial Fund Airlift Simulation Model air lift stirrer airlift submerged membrane bioreactor Airlift Summary airlift summary report airlift supply exercise