English
中文詞彙
back-haul airlift
空運後送
backing and filling
倒退衝前法
backsight (survey)
後視(測量)
backsight method
反覘法
backswept wing
後掠翼
back-type parachute
背負式降落傘，背式降落傘
back-up
背面圖，倒?
backup aircraft authorization
備用授權飛機
backup aircraft inventory
備用飛機存量
backup communication equipment
備份通信裝備
