relative clearance of plain bearing

例句：

1. 1. The relative clearance of the pollutant from the air is a critical factor in determining the environmental impact.
   污染物从空气中的相对清除率是决定环境影响的关键因素。
2. 2. The relative clearance of the pollutant from the water is also an important consideration for sustainable development.
   污染物从水中的相对清除率也是可持续发展的重要考虑因素。
3. 3. In this study, we measured the relative clearance of different types of pollutants in various environments.
   在这项研究中，我们测量了不同类型污染物在不同环境中的相对清除率。