同根派生 approach path相关词英汉例句PAPI Precision Approach Path Indicator 精密進近航道指示器Helicopter Approach Path Indicator 直陞機接近路線指示器Horizontal Approach Path Indicator 水平進場航道指示器Horizontal Approach Path Indicators 水平進場航道指示器Precision Approach Path Indicator 精確進場航路指示器approach path更多例句