设备自动保证过电流零点合闸，自动预置试验电压，试验效果好。
The equipment ensures automatic closing at current zero, preset test voltage automatically and the effect is fine.
试验是在TC4合金基材上预置生物陶瓷粉末后进行激光处理，探讨了激光工艺对生物陶瓷涂层的成分、结构和性能的影响。
The effects of the laser cladding processes on the composition, structures and properties of the bioceramic coating were also discussed.
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