您要查找的是不是：
- decrease of reservoir' s water level 库水位下降
- drum' s water level 汽包水位
- The error measuring drum water level with ordinary differential pressure gauges, which mainly relies on reference water column s correctness, is big and uncertain. 普通差压水位计测量汽包水位主要问题在于参比水柱的不确定性,它是影响汽包水位测量误差的主要因素。
- 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. 一定要把水注满使水平高度总保持不变。
- The water level in some lakes may vary greatly. 某些湖泊的水位变动极大。
- In this article, the causes of the fluctuation of the water level of steam drum and its adjustment were analyzed. 摘要分析汽包水位波动的原因后，提出了几种对汽包水位进行合理调节的技术方法。
- The remote measurement of water level in ECR. 集控室水位遥测。
- Pumps work to keep the water level down. 水泵工作,使水位下降。
- As the water level sinks the stones are exposed . 水落石出。
- The water level has been raised by 1.1 metres. 水位提高了1.;1米。
- Adjustable float for optimum water level control. 通过调节浮球能保持最佳水位。
- Heavy rains caused the rise of the water level. 暴雨导致水位上涨。
- I come from Shanghai.Shanghai’s water is yellow;it's simply undrinkable. 我从上海来，上海的水简直就不能吃了，而且是黄的。
- Conclusions Chitosan and it s water soluble derivatives have no cytotoxicity. 结论壳聚糖及其水溶性衍生物无细胞毒性。
- storage tank' s water level 储水罐水位
- The drought depressed the water level in the reservoirs. 干旱使水库的水面降低
- The water level rises rapidly during monsoon season. 雨季水平面上升很快。
- In picture is UNHCR's water programe in Sri Lanka, beneficiaries are taking simple shower. 这是难民署在斯里兰卡的供水项目，难民们正在进行简单的淋浴。
- Fill the generator with fresh water above the normal water level. 给发生器注入正常水平线以上的清水。
