書籍介紹
黎明叢書 總類 國父遺教
  • 國父思想(大學用)

    商品條碼:9789571602578

    出版社:黎明文化

    作者:王昇著

    定價:精245元

    網路價:208

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launch, waterproof to a depth of 610 meters. In order to achieve  a professional deep-sea diver's demand, the case is equipped with a helium valve, so that the helium gas mixture can be released in the course of  long-term pressure hyperbaric chamber in order to avoid damage to the watch. In 1978, Rolex launched the Sea-4000 watch, waterproof to a depth of 1,220 meters (about 4,000 feet)