FTU device mainly used for 10KV-30KV high voltage line, with four distance functions functions, telemetry, remote, remote sensing, remote control.是什么意思_FTU device mainly used for 10KV-30KV high voltage line, with four distance functions functions, telemetry, remote, remote sensing, remote control.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句