123B/124B/125B People Guide The Meter Recorder tends to make the Exam Device work as a paperless recorder that collects a series of parameter measurements eventually and displays the result as a graph or a trend-line on display. This is often most valuable to..Tin t?c 24h Podcast Tu?n Vi?t Nam ??ng nh?p Chính tr? S? ki?n Xây d?ng ??ng ??i ngo?i B