The 2nd inverter absorption characteristic of AC/DC argon arc welding machine is that
A、the peak is less than 210 V, the platform is not more than 180V
B、the peak is less than 250 V, the platform is not more than 200V
C、the peak is less than 180 V, the platform is not more than 200V
D、the peak is less than 200 V, the platform is not more than 250V