tangriguang：
stationaryappliancefixedapplianceoranappliancewhichisnotaportableappliancefixedapplianceappliancethatisintendedtobeusedwhilefastenedtoasupportorwhilesecuredinaspecificlocationportableapplianceappliancethatisintendedtobemovedwhileinoperationoranappliance,otherthanafixedappliance,havingamasslessthan18kg