The study indicates that using laser hardening can remarkably improve the hardness of cylinder.
研究结果表明：采用激光硬化处理可明显提高缸套的硬度。
The results show, surface treated by laser hardening can improve the surface hardness and wear resistance.
结果表明，激光硬化处理的表面能够有效地改善材料表面硬度和耐磨性。
The microstructure and hardness of the laser modified surface are governed by the laser processing parameters.
激光表面改性层显微组织与显微硬度受激光处理工艺参数的控制。
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