| 释义 |
free from contamination fri:frɔmkənˌtæməˈneɪʃən 短语¹⁸⁰⁰⁹⁸⁺¹
基本例句
无污染
This procedure is convenient, rapid, accurate and free from contamination. The result of analysis is satisfactory and recovering rate is high.
本法样品处理简便、快速无污染，分析结果令人满意，回收率好。 chemyq
The surface preparation shall ensure that the area to receive the coating material is clean, free from contamination and abraded so that the anchor pattern described in Section3 is achieved.
表面处理时应当确保涂敷的区域清洁，无污染且已打磨过，这样才能达到第三部分描述的粗糙效果。 www.1x1y.com.cn |