另外， 该结构高双折射光子晶体光纤在拉制工艺、光纤强度以及光纤熔接等方面也具有一定的优势。
Otherwise, it also has some advantages in the aspects of fiber drawing technique, fiber strength and fiber splicing.
本实用新型 的优点是：增加熔接部位的厚度，增强熔接部位的抗拉强度且降低对焊接技能的 要求。
The utility model has the advantages of increasing the thickness of the heat welding parts, enhancing the tensile strength of the heat welding parts and reducing the welding skill requirements.
可靠的连接性能：PE管热熔或电熔接口的强度高于管材本体，接缝不会由于土壤移动或活载荷的作用断开。
Reliable connectivity: PE pipe hot melt or fused interface strength is higher than the pipe body, joints will not load due to soil movement or the role of living off.
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