Limb orientation perforating gun and sectionalized two orientation delayed ignition technology were used in the test.

射孔运用了导向翼式定向枪，采用分段分次双向液压延时点火引爆工艺；

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The author introduces the detection principle of non-delayed ignition timing light, mainly analyzes its circuit composition and principle.

介绍点火正时灯检测原理，主要对非延迟式点火正时灯电路的组成及原理进行分析。

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The test results show that, with the increase of the octane number, the ignition timing delayed, the combustion rate decreased, and the cylinder pressure decreased.

研究结果表明，燃料辛烷值增加，着火始点推迟，燃烧反应速率降低，缸内爆发压力降低。

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