Call-sign changed from GOW to ZBW. Mr. N. L. Smith, the then Postmaster General, was appointed as the first Head of radio broadcasting in Hong Kong.是什么意思_Call-sign changed from GOW to ZBW. Mr. N. L. Smith, the then Postmaster General, was appointed as the first Head of radio broadcasting in Hong Kong.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句