A、 bigger B、smaller C、 equal D、changeless
timeWed, 31 Jul 2013 08:39:58 GMT
A、the thorium-tungsten B、the cerium-tungsten C、the zirconium-tungsten D、the lanthanum-tungsten
timeWed, 31 Jul 2013 08:38:57 GMT
A、first come,first go B、first come,later goC、later come,later go D、later come ,first go
timeWed, 31 Jul 2013 08:36:54 GMT
A、the peak is less than 210 V, the platform is not more than 180VB、the peak is less than 250 V, the platform is not more than 200VC、the peak is less than 180 V, the platform is not more than 200VD、the peak is less than 200 V, the platform is not more than 250V
timeMon, 29 Jul 2013 14:32:17 GMT
A、CHAGE,shows it is in chargingB、READY, shows it was charging complete, can weldingC、WELDING,shows it is welding
timeMon, 29 Jul 2013 14:25:37 GMT
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