GB/T 17737.108-2018

Coaxial communication cables—Part 1-108: Electrical test methods—Test for characteristic impedance, phase and group delay, electrical length and propagation velocity

同轴通信电缆 第1-108部分：电气试验方法 特性阻抗、相位延迟、群延迟、电长度和传播速度试验