hardened-depth 硬化层深
effective hardened depth 有效硬化层深度
available hardened depth 有效硬化层深
Hardened layer depth 淬硬层深度
depth of hardened layer 硬化层深度
hardened case depth 淬硬层深度
With increasing travel speed, the hardened depth decreased and the hardness increased.
随行走速度提高，钢的硬化层厚度减小，硬度提高。
There is not standard about the available hardened depth of laser quenching gears, which is disadvantage to its application.
齿轮激光淬火有效硬化层深的取值到目前为止没有统一的标准，这对该项技术的推广应用十分不利。
Nondestructive testing of metal hardened depth is an important and difficult job, which belongs to material property testing.
金属表面硬化层深度的检测是一项非常重要而又困难的工作。
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