各位帮我看看这个英文的技术要求啥意思，谢了！

yewenyong

Techinial Requirements:
1. heat treatment normalizing HB170-217, Carburized Case Hardening on teeth HRC56-62, Hardness of inner HRC33-42.
2. Depth of Carburized case 0.6-0.9mm.
3. No-marked Chamfe 1.0*45°
4. Delivery under matched lapping.

656493673

技术要求：
1、热处理正火HB170-217，渗碳淬火表面硬度HRC56-62，心部硬度HRC33-42、
2、渗碳层深0.6-0.9mm、
3、未注倒角1.0*45°、
4、研齿状态交付。
我英语不太好，翻译个大概吧！

s6901

Techinial Requirements:
1. heat treatment normalizing HB170-217, Carburized Case Hardening on teeth HRC56-62, Hardness of inner HRC33-42.
1 正火后硬度为HB170-217， 渗碳淬火后在齿部硬度为HRC56-62，芯部硬度为HRC33-42
2. Depth of Carburized case 0.6-0.9mm.
2 渗层深0.6-0.9
3. No-marked Chamfe 1.0*45°
3 未注倒角1.0*45°
4. Delivery under matched lapping.
4 配对研配后交货