喷涂距离会影响涂层的结构，进而影响涂层的通电加热性能。
Spraying distance affects the microstructure of coatings, thereby affecting the electrifying heating properties of coatings.
研究了电弧功率、喷涂距离和等离子气体流量对涂层显微组织和性能的影响。
The effects of the plasma power, spraying distance and plasma gas flow rate on the microstructure and properties of the coatings were investigated.
结果表明：氧气流量、燃气流量和喷涂距离对涂层磨粒磨损性能具有交互影响。
It is shown that the flows of both propane and oxygen and spray distance have an interaction on the abrasive wear performance of the coatings.
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