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- Pollution Level Control 污染度控制
- Adjustable float for optimum water level control. 通过调节浮球能保持最佳水位。
- Rainwater with light pollution level is easy to purify. 雨水作为一种自然资源，污染轻，处理容易。
- You can use Automatic Level Control only if Monitor is set to Off. 如果监听器设定为“关闭”,则只能使用自动电平控制。
- Studies on dynamics of microcystin pollution level in municipal water supplies. 城市供水藻毒素污染水平的动态研究。
- Insulator's pollution level: Normal class is 0, anti-pollution is III level. 绝缘子污秽等级：普通级为0级；防污型为III级；
- Pollution levels fall during nightime. 夜晚的污染程度则会下降。
- Constant temperature water heated device, constant water level control system. 恒温水加热装配、恒水位保持系统。
- Each talk key has individual listen level control and LCD level indication. 每个通话按键都有独立的收听电平控制和LCD电平指示。
- Its pollution level and change law were discussed,so as to provied scientific basis for strengthing environ mental management and atmospheric pollution control andimproving environmental quality. 为进一步加强环境管理和大气污染治理，改善环境质量提供科学依据。
- CSS supports gives pixel level control on the look and feel of these sites. CSS支持针对这些网站的外观提供像素级别的控制。
- RF Radio Frequency Level Controller. RF系列射频导纳式物位控制器。
- The use of advanced water level control device, automatic water system. 利用先进的液位控制装置，自动控制供水系统。
- At the output of the active gain circuits is the master level control. 在有源增益电路的输出端是主音量控制。
- Compared with the previous year,the order of the pollution level remained same and the pollution extent is quite close. 与上年相比，污染轻重顺序未变，污染程度相近。
- The control system has two level control system and two communication network. 整个控制系统由二级控制系统和二层通讯网络构成。
- It is a feature to apply the IMAC to the mould molten steel level control. IMAC的引入使结晶器液位控制独具特色。
- It shownthat the pollution level of Fen-river Taiyuan section was strong medium and Jinyang lake wasslight. 结果表明：汾河太原段的水质基本属于强中污染，晋阳湖水质属轻污染。
- Set up the level control system to ensure that the machines work properly. 超声波清洗机设置液位控制系统，确保机器正常工作。
- They make regular checks on the surrounding area for pollution levels. 他们对周围地区的污染水平进行定期检测。
