hardening of oils
英 [ˈhɑːdnɪŋ ɒv ɔɪlz]
美 [ˈhɑːrdnɪŋ əv ɔɪlz]
油类硬化
双语例句
- The hardening of the workpiece, s surface and the depth of the hardening layer can be ensured, and the deformities and the cracks due to quenching stress can be decreased by improving cooling equipments and increasing cooling intensity of oils.
通过改进冷却设施和提高油的冷却强度，既保证淬火时工件表面淬硬和淬透层深度，又尽量减少淬火应力所造成的变形或开裂。