基本解釋[航空、航天科學技術]精確進場路線指示燈英漢例句雙語例句Aim at current existent problems and defects in visual approach slope indicator, a new Precision Approach Path instruction method has studied.針對現有目眡進近下滑坡度指示系統(tǒng)存在的問題和缺陷，研究了一種新型精密進近航道指示方法。precision approach path indicator更多例句詞組短語短語papi precision approach path indicator 精密進近航道指示器precision approach path indicator更多詞組專業(yè)釋義航空、航天科學技術精確進場路線指示燈