Serving as the operation platform of cobalt-crust collecting system in deep sea, the cobalt-crust mining vehicle steers on the sea mountains.是什么意思_Serving as the operation platform of cobalt-crust collecting system in deep sea, the cobalt-crust mining vehicle steers on the sea mountains.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句