alternating trace
英 [ˈɔːltəneɪtɪŋ treɪs]
美 [ˈɔːltərneɪtɪŋ treɪs]
网络 交替迹
双语例句
- Alternating and direct current wet continuous magnetic particle inspection ( MPI) methods, combined with metallographic examination and trace element microanalysis method, were used to determine the nature of the 300M steel magnetic particle indications.
采用交、直流磁粉检验并结合金相试验、电子探针试验及微量元素含量分析的方法，对300M钢磁痕现象的本质进行了分析。