6场半全场中奖条件是
 
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TDZ1B-300/25 air blast circuit breaker
    Main parameters
Rated voltage
25 kV
Maximum operating voltage
30 kV
Rated current
630 A
Rated breaking current
10 kA
Short circuit power
300 MVA
Mechanical lifetime
20,000 times
 
 
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6场半全场中奖条件是