bottom cable laying 中文意思是什麼
bottom cable laying
解釋
海底電纜鋪設-
The first time that the question “ what is at the bottom of the oceans ? ” had to be answered with any commercial consequence was when the laying of a telegraph cable from europe to america was proposed
當鋪設一條從歐洲到美洲的海底電報光纜的時候,出於商業動機,人們第一次不得不回答這個問題「海底是什麼東西」 。
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