projectors造句
diascope(overheadprojectors)blimp(casing)forcinematographicprojectorsmountedadditionallensforcamerasorprojectorsBobbinsfor16mmmotionpictureprojectors--DimensionsLargescreendisplays,projectors,overhead...
diascope(overheadprojectors)blimp(casing)forcinematographicprojectorsmountedadditionallensforcamerasorprojectorsBobbinsfor16mmmotionpictureprojectors--DimensionsLargescreendisplays,projectors,overhead...