submarine periscope潜艇: submarine; dunker; oscar潜望镜: periscope水面舰艇潜望镜: surface ships periscope潜艇潜望深度航行状态: submarine's proceeding state at periscope depth潜望镜侦察潜艇装置: hawkeye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:潜艇潜望镜，即可在微信中查询翻译
