O.d.
abbr. oute rdiameter 外径
🗣️ 情景例句
Right!
好的！
Laws catch flies but let hornets go free.
法网只捉苍蝇，不捉黄蜂。
The aircraft was able to fly over the endless white plains without difficulty.
飞机可以毫无困难地飞过这片茫茫无际的白色原野！