avasis abbreviated visual approach slope indicator system简式: skeleton symbol目视: visual进: advance; move forward; move ...近: near; close下滑: glide; gliding; letting down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:简式目视进近下滑道指示器系统，即可在微信中查询翻译
