... 节锥母线长度 generating line length of pitch cone 结构淬火 structural hardening 结构锻件 structural forging ...
双语例句
1
This paper introduces the structural features, parameters the hardening of its working parts of a long service life bending-die.
介绍了一种新型高寿命弯曲模具的结构特点，结构参数和工件零件的强化工艺。
2
As a result of the coaction of abovementioned factors, the bainite has superior secondary hardening effect, thermal strength and structural stability to martensite formed by straight tempering.