binocular sight双镜: bimirror筒: a section of thick bamboo瞄准具: vane; sighting device; optic ...枪筒瞄准: bore sighting; boresight双人双镜筒: double binocular tube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:双镜筒瞄准具，即可在微信中查询翻译
