双护套结构挡潮，提高了光缆抗侧压、抗冲击性能。
Double tidal sheath structure, improve the cable-side pressure, impact resistance.
主要介绍带状光缆成缆机及气动盘式SZ绞合头、双头同心同点扎纱等关键单元。
The cabling machine for fiber ribbon cable, and its key units, such as pneumatic SZ stranding plate and co-point cross binding head are introduced.
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