ເປັນຫຍັງສາຍໄຟ submarine ຈຶ່ງຖືກຈັດໃສ່ໃນທະເລເລິກ?

Fiber optic cable laying vessel is used to put the cable.

Submarine cables are mainly divided into two types: communication transmission and power transmission. The world’s first submarine cable was laid between England and France in 1850, and it took more than thirty years before otherRead More