depth of the nitride case

• 渗层深度

depth of the nitride case的用法和样例：

例句

1. This has been implications for the specification of case depth for gears.
   这一情况已影响到齿轮硬层深度技术条件的确定。
2. The depth and microhardness distribution of alumetizing layer obtained on different technical conditions were measured.
   测定了不同工艺条件下获得的浸渗层深度和浸渗层显微硬度的分布。