double type printed circuit board connector 双件式印制板相接器 double tyre wheel 双胎轮 double undulconsumedd preheconsumedr 双波纹式预热器 ..
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The heating and other technical characteristics as well as procedure parameters are introduced in this paper for bicycle wheel - tyre double seam high speed welding.
介绍了自行车车圈双面双缝高速次级整流缝焊新工艺、新设备，并对其加热特点、技术要点及焊接参数等问题进行了探讨。
The utility model is also provided with a double-layer nylon banding layer with 0 DEG which is laid along the circumferential direction between the bottom of the inner tyre and a wheel rim.
本实用新型还在内胎底部与轮辋之间设有沿周向0度铺设的双层尼龙箍紧层。
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