单词	必要开挖
释义	必要开挖 required excavation
随便看	activated carbon from sludge activated carbon hollow fiber activated carbon loaded with zirconium oxide activated carbon materials activated carbon method Activated carbon microbeads activated carbon microsphere activated carbon moving bed Activated carbon nanoparticles Activated carbon nanotubes activated carbon negative electrode activated carbon packed column activated carbon padding Activated carbon paste electrod Activated carbon perfusion activated carbon polishing activated carbon pore volume activated carbon powder activated carbon process activated carbon property activated carbon purifier activated carbon reactivation activated carbon reactivition Activated carbons activated carbon/sand filter