adjustment on positive water level的用法和样例：
- Influence of Change in osmosis due to stress field adjustment on water level
- We can make an adjustment on the price for you.
- The wind, temperature, water level, etc has dropped considerably.
风势已减弱了、 温度已下降了、 水平面已降低了很多。
- Make sure to top up the water level so that is always remains the same.