| 释义 |
pre-treatment 英p'riːtr'iːtmənt美p'riːtr'iːtmənt COCA¹⁰⁹⁹³⁴BNC¹¹⁴⁰²⁴⁺⁵iWeb⁴⁰⁹⁵⁵
基本例句
预处理¹⁰⁰
The washing—alkali cleaning—acid cleaning pre-treatment process is used before the vacuum anneal of titanium pre cise profile wire, the parameters are given and discussed.
采用清洗—碱洗—酸洗工艺对眼镜用精密异型钛材进行真空退火前的预处理，给出了工艺控制条件并进行了讨论。 cnki |