HSK 7–9 · noun
光缆
optical cable; fiber-optic cable
工人正在地下铺设光缆。
Gōngrén zhèngzài dìxià pū shè guānglǎn。
Workers are laying optical cables underground.
HSK 7–9 · noun
optical cable; fiber-optic cable
工人正在地下铺设光缆。
Gōngrén zhèngzài dìxià pū shè guānglǎn。
Workers are laying optical cables underground.