The surface heat spurts spreads the craft to have supersonic HVOF to spurt spreads, the ceramic good material spurts spreads, the supersonic electric arc spurts spreads and so on. .

• 表面热喷涂工艺有超音速HVOF喷涂、陶瓷棒材喷涂、超音速电弧喷涂、亚音速火焰喷涂等。