单词	小十字
释义	同Croslet
随便看	photographic copy photographic coverage photographic coverage regulator photographic datum photographic daylight photographic densitometer photographic density photographic--density photographic density pattern photographic desensitizer photographic detection photographic developer photographic document copying machine photographic dosimeter photographic effect photographic element photographic emuision photographic emulsion photographic emulsion speed photographic enlarger photographic extension photographic field photographic field lens photographic film photographic--film