잠수함 광섬유 케이블
Submarine fiber optic cable is also known as submarine communication cable. It is a wire wrapped in insulating material and laid on the ocean floor. Subsea fiber optic cable is the main artery that ensures that major regional networks around the world can interoperate with each other. 현재, 이상 90% of the world’s transnational data … 더 읽으십시오