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作为通信用的光导纤维除了通信容量大、频带宽、安全可靠、重量轻等一系列主要优点之外,光纤的强度差、脆性大是其主要缺点。由于存在这一缺点,必须对光缆的结构设计予以特殊考虑。用和普通的金属电缆成缆机相类似的设备制成的绞合型光缆,其结构简单、制造工艺
As the optical fiber for communication, in addition to a series of major advantages such as large communication capacity, wide frequency band, safety and reliability, light weight and the like, the main disadvantage of poor optical fiber strength and brittleness is its main disadvantage. Due to this shortcoming, special consideration must be given to the structural design of the optical cable. Stranded optical fiber cable made of similar equipment to that of ordinary metal cable has the advantages of simple structure and manufacturing process