... 分段地 piecewise; 分段点火 （导弹） multistage ignition; 分段电势 graded potential; ...
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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；
Limb orientation perforating gun and sectionalized two orientation delayed ignition technology were used in the test.
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