单模光纤 Traditional 單模光纖 dān mó guāng xiān 🔊 single-mode optical fiber + Keep this word Meanings dān mó guāng xiān 單模光纖 single-mode optical fiber Its characters 单dānbillHSK 5模móto imitate光guānglight; ray (CL:道[dao4])HSK 4纤xiānfine