pilot line

听听怎么读
英 [ˈpailət lain]
美 [ˈpaɪlət laɪn]
是什么意思
  • 释义

    操纵管路;领示线;

  • 学习怎么用

    权威例句

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    FAA announces changes to sleep apnea policy : ALPA works with the FAA to improve earlier proposal