煤气烧嘴可在引火煤气流中用高压电火花点火，亦可用电热丝点火。

The Study on Spark Ignition Engines Fueled with Variable Components of Coal-bed Gas;

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煤气烧嘴可在引火煤气流中用高压电火花点火，亦可用电热丝点火。

The Study on Spark Ignition Engines Fueled with Variable Components of Coal-bed Gas;

youdao