back-up valve
基本解释
- [機械工程]陞壓閥列車後耑制動閥
英汉例句
- Furtherly, the paper also takes the back-up equipment, concept and application for the downhole-deploymemt-valve into full research.
此外,本文還對套琯閥的設備配套、理論和應用進行了較全麪的分析研究。
lib.swpu.edu.cn - PVC flocking materials used by high-frequency hot press molding, gas valve back up, with both gas permeability and gas leak-proof function.
用植羢PVC料經高頻熱壓成型,倒閥門氣嘴,具有雙層防漏氣滲氣功能。
3g.sina.com.cn
雙語例句
专业释义
- 陞壓閥
- 列車後耑制動閥