介绍了国内外岩屑床破坏工具和可膨胀套管扶正器的研发和室内试验、现场应用情况；
The development of said tool and casing holder abroad is introduced, lab experiment and onsite application are introduced as well.
介绍了用于埃及unenta公司电力变压器的短尾油纸电容式变压器套管的电气性能、设计计算及试验结果。
This paper presents the oil impregnated paper condenser bushing with short lower for power transformer used in UNENTA system, Egypt, with its electrical parameters design calculation and test results.
末端加压法对高压直流输电系统所用换流变压器阀侧套管预防性试验，特别是将来特高压直流换流变压器阀侧套管预防性试验具有较高的实用价值。
Applying voltage into the bushing tap method for preventive test of converter transformer value side bushing in HVDC, especially in the future for UHV, will have better practical value.
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