A plasma gun for spraying welding inside surface of deep hole with powder is designed and developed which has the property worked continuously at high temperature.
设计并研制了深内孔等离子弧粉末喷焊枪，该枪具有在高温下连续稳定工作的优异性能。
The principles to designed the hole used plasma gun is discussed and two kind of spraying welding procedures are put forward.
论述了内孔喷焊装置的设计原则，并提出了两种规格机筒喷焊的最佳规范。
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