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释义	text difference 语篇差异
随便看	vacuum tube voltmeter circuit vacuum-tube voltmeter circuit vacuum tube voltmeter V.T.V.M. vacuum tube voltmetevtvm vacuum tube voltmetre vacuum tube volt-ohmmeter vacuum tube wavemeter vacuum tube with flat electrode vacuum tube with magnetic control means vacuum tubing vacuum tubular glass solar collector vacuum tubve pulser vacuum tumbler vacuum tumbler dryer vacuum tunnel vacuum tunneling effect vacuum tunnel spectrum vacuum tweezer vacuum tyberculin vacuum tyipe photodetector vacuum-tyipe photodetector vacuum type vacuum-type ash conveyer vacuum-type automatic bottling machine vacuum type bagger