| 4. | Traveling cranes , drying furnaces , transformer wiring facilities , transformer automatic inspection machines , pressure meters , insulation resistance meters , ac dc stabilized power sources , memory high coder brightness meters , light meters , film thickness meters , noise meters , hand thermometers 起重机,干燥炉,变压器卷线设备,变压器自动检查机,耐压计,绝缘电阻计,交流直流稳定性电源,内存快速编码器亮度计,光度计,膜厚计,噪音计,手指尖温度计 |