feed gear mechanism cine projector (film projector, motion-picture projector) G 03 B 21/44 物理_专利英汉词典
feed gear mechanism cine projector (film projector, motion-picture projector) G 03 B 21/44 物理
[专利英汉词典]
feed gear mechanism cine projector (film projector, motion-picture projector) G 03 B 21/44 物理【纺织；造纸】
进料传动装置，电影放映器（电影放映机与幻灯片条放映机之通称，电影放映器）
是什么意思，feed gear mechanism cine projector (film projector, motion-picture projector) G 03 B 21/44 物理的解释，feed gear mechanism cine projector (film projector, motion-picture projector) G 03 B 21/44 物理的翻译
