antihalation backing film防: provide against; defend agai ...光晕: halation; halo背: body's back层: I storey; tier; stratum胶片: film; cartridge; photographi ...下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:防光晕背层胶片，即可在微信中查询翻译
