노르웨이 해저케이블 단선 해저케이블은 폴리에틸렌층으로 구성, 폴리에스터 수지, 알루미늄 튜브, paraffin fiber bundle…
섬유에서 집에서 (FTTH) lines in Spain have exceeded 13.2 million in June. This is an increase of 66,894 lines compared to…
fiber cable Optical cable is a certain number of optical fibers form a cable core according to a certain method.…