同轴电缆脉冲回波测试仪
coaxial cable pulse echo tester
微波毫米波测试仪器
MWMMW measurement instrument
有线载波测试仪
wired wave-carrier measuring meter
变电站谐波测试与治理
Test and Remedy of Harmonics in Substation
超声波测试技术
ultrasonic wave measurement technique
超声波测试系统
ultrasonic transmission thickness measurement syst
超声波混凝土测试仪
ultrasonic concrete tester
冲击波测试系统
shock wave measurement system