单词	再度查访
释义	再度查访call-back
随便看	vacuum-path spectrometer vacuum pencil vacuum, perfect vacuum permeability vacuum permittivity vacuumpfanne vacuum photodiode vacuum photoemissive cell vacuum photo tube vacuum phototube vacuum physics vacuum pipe vacuum plasma melting vacuum plasma spraying vacuum plate vacuum plate casting vacuum plating vacuum polarization vacuum precision casting vacuum press vacuum pressing vacuum pressure vacuum pressure gage vacuum pressure gauge vacuum pressure impregnation