Present status and innovation of bainitic steel welded frog;
贝氏体钢焊接辙叉的现状与再创新
We finally found out the real capacity-decreasing and characteristic-impedance-increasing cause by conscientious analysis of cable and repeatedly carrying out the process of test-research-practice, that is, cross weld of.
通过对电缆进行认真剖析和反复测试—研究—实践,终于发现电容变小、特性阻抗变大是两对数传线交叉焊接所致。