Burning faulty coal is tried out in a fixed-bed gasifier, to solve the problems of high coal price and production cost.
固定层煤气发生炉试烧劣质煤，以解决煤价高、生产成本大的问题。
The rules conform to the coal mine actual faulty diagnosis process. The time of diagnosis common fault of system and difficulty of diagnosis are declined by using simple diagnosis rules.
此故障诊断规则符合煤矿实际故障诊断过程，并可以使故障诊断时间和难度大大降低。
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