depth of hardening
短语词组
- depth h of hardening 硬化深层
- depth of hardening test 硬化层深度
- depth of hardening layer 强化层深度
- depth of hardening zone 淬硬层深度
- effective depth of hardening [机]有效淬硬深度
- and Effective Depth of Hardening 有效淬硬层深度
- regression of hardening depth 硬化深度的回归 返回 depth of hardening