Improving the surface properties of material is an important method that prolongs service life of machine parts and brings out latent potentialities of materials.
提高材料的表面性能是延长机器零件的使用寿命和发挥材料潜力的重要途径。
Improving the surface properties of material is an important method that prolongs service life of machine parts and brings out latent potentialities of materials.
提高材料的表面性能是延长机器零件的使用寿命和发挥材料潜力的重要途径。
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