powder grain
火箭药柱 rocket grain
火箭推进剂药柱 Rocket propellant grain
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提出了分体式减振和双物光光路的全息干涉法,解决了大型火药柱包覆层粘接质量的检测问题。
Holographic interferometry using separate damping and a double objective light beam is put for-ward for the bonding quality of the clads on the large powder columns.
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