antihalation backing防: provide against; defend agai ...光晕: halation; halo背: body's back层: I storey; tier; stratum防光晕背层胶片: antihalation backing film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，即可在微信中查询翻译
