jiangnan optical instrument factory江南: regions south of the Yangtze ...光学仪器: optical instrument厂: factory; mill; plant; works光学仪器厂: optical instrument factory上海光学仪器厂: shanghai optical instrument plant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:江南光学仪器厂，即可在微信中查询翻译
