lighttight

adj.

防光的，不透光的，不漏光的；

Photographic film assemblage having a non-lighttight film withdrawal opening
Lighttight cigarette holder
Photographic film assemblage having a non-lighttight film withdrawal opening
Lighttight cassette
Lighttight film-delivery box
Lighttight envelope for high-speed conveyance of stimulable phosphor sheet
Light-tight roll package.
Brachial plexus injury from light tight backpack straps.
Lighttight film-delivery box and actuator apparatus therefor
A LIGHT-TIGHT FILM ROLL CONTAINER