passive treatment meaning in English
被动疗法
消极治疗
Examples
- No - chromium passive treatment for brass surface
黄铜表面的非铬钝化处理研究 - Groundwater treatment technologies are mainly composed of 5 kinds : air sparging , in - situ groundwater bioremediation , dual - phase extraction , in - situ oxidation and passive treatment walls
而污染地下水的修复方法主要有5项：注气法、原位微生物修复技术、两相蒸气提取法、原位氧化法、原位反应墙技术等。