Limb orientation perforating gun and sectionalized two orientation delayedignition 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；
2
The author introduces the detection principle of non-delayedignition 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。
3
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.