2. Tapered bores for keyed hubs shall have a minimum of 70% transfer of bluing (surface contact) to the taper gage. 键槽轮毂的锥孔应至少有70%的着色(表面接触)转移到锥度计上?
3. Illustrated in detail the whole process and cautions of basic bluing treatment from solution preparation, oxidization to operation procedure. 本文从溶液配制、氧化规范到操作程序,详细介绍了碱性发兰处理的全过程及其注意事项。
英英解释
n.
1. used to whiten laundry or hair or give it a bluish tinge
2. a process that makes something blue (or bluish)