| 摘要 |
which burn the provided fuel from the fuel feed pump(115, 125, 134) installed with solenoid controlled valve in the middle of each), combustion checking circuits(21-23: which arrange closely combustion checking system in each combustion part(111, 121, 131) and send the electric signal), micro-computer(3: which sends the electric valve closing signal), a safe circuit(4: provided with the valve closing checker and according to the signal, check the burning situation and if it is stable, order to close every electric valve).
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