stopping光圈: iris diaphragm; iris apertur ...调档: transfer the files; examine ...光圈调节环: preset aperature ring; preset aperture ring; stop ring光圈调节扭: diaphragm setting lever光圈调节钮: diaphragm setting lever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:光圈调档,即可在微信中查询翻译