权威例句
Photographic film assemblage having a non-lighttight film withdrawal openingLighttight cigarette holderPhotographic film assemblage having a non-lighttight film withdrawal openingLighttight cassetteLighttight film-delivery boxLighttight envelope for high-speed conveyance of stimulable phosphor sheetLight-tight roll package.Brachial plexus injury from light tight backpack straps.Lighttight film-delivery box and actuator apparatus thereforA LIGHT-TIGHT FILM ROLL CONTAINER