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No TPTP formula. May not be expressible in strict first order. engineering.kif 1010-1010 整流器电路subclass
No TPTP formula. May not be expressible in strict first order. engineering.kif 1015-1015 单相整流器整流器subclass
No TPTP formula. May not be expressible in strict first order. engineering.kif 1035-1035 三相整流器整流器subclass


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