本指南介绍了在张力和电流的共同作用下，长期工作温度在90°C和250°C之间的高温低弧垂架空导线配件的握力测试方法。

This guide introduces the grip strength test method for fittings of high-temperature, low-sag overhead conductors with long-term operating temperature of between 90 °C and 250 °C in the co-effect of the tension and the current.