检测结果表明：齿轮激光淬火变形很小，不影响齿轮的精度等级。
Test results show that deformations in laser hardened gears was negligible to influence gear precision.
检测结果表明：齿轮激光淬火变形很小，不影响齿轮的精度等级。
Test results show that deformations in laser hardened gears was negligible to influence gear precision. The microstructure of hardened case consists of a hardened zone…
检测结果表明：齿轮激光淬火变形很小，不影响齿轮的精度等级。
The tests results show that the deformation of laser-hardened gear is very small, which does not influence the grade of gear.
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