ALSS
ALS
abbr.
amyotrophic lateral sclerosis
antilymphocyte serum
Approach Light System 【航空學】進場照明系統(tǒng)
autograph letter signed 有簽名的親筆信
Automatic Landing System 【航空學】自動著陸系統(tǒng)
als,a.l.s.
abbr.
amyotrophic lateral sclerosis
anticipated life span 預期壽命,估計壽命
antilymphocyte serum
approach and landing simulator 【航空學】進場與著陸模擬器
autograph letter signed 有簽名的親筆信