介绍了一种特殊的车载燃料电池诊断装置，该装置包括控制单元、燃料气体供给单元、电力调整单元、冷却单元和电力消耗单元。
The paper presented a special vehicle fuel cell diagnosis device which including control unit, fuel gas supply unit, power conditioning unit, cooling unit, and electric power consumer unit.
气体分馏装置脱乙烷塔顶冷却器浮头螺栓，半数发生脆性断裂。
Half the number of bolts in floating head of deethanizer overhead cooler were brittle fractured.
当燃料电池的冷却系统或燃料气体供给系统受到损坏时，利用该诊断装置的冷却单元和燃料气体供给单元也可以对燃料电池堆进行准确的诊断。
The cooling unit and the fuel gas supply unit of this diagnosis device also can exactly diagnose the fuel cell in the case of the cooling unit and the fuel gas supply unit of the fuel cell is damaged.
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