123B/124B/125B People Handbook The Meter Recorder makes the Exam Device work as a paperless recorder that collects a series of parameter measurements over time and exhibits The end result being a graph or possibly a trend-line on display. That is most helpful to..Ngoài ra, ng??i ch?i s? ???c h??ng ?ãi ng? t??ng t? nh? khách hàng VIP ? nh?ng n?i