通航权

right of way  detail>>

航路权通航权

right of way  detail>>

航权

freedoms of the air traffic rights  detail>>

通航

be open to navigation or air traffic  短语和例子   开始通航 open up navigation; 通航水域 navi...  detail>>

护航权

right of convoy right to convoy  detail>>

开航权

right for sailing  detail>>

领航权

pilotage   detail>>