1.
The twin valve filters in the Stone Buddha Waterworks in Zhengzhou city have been renovated.
介绍郑州市石佛水厂双阀滤池技术改造的实例。
2.
Parameters of Two-stage Biological Aerated Filter Sewage Treatment
双级曝气生物滤池处理生活污水的工艺参数
3.
Estimating ohmic resistance of PEMFC based on double Kalman filters
应用双卡尔曼滤波算法估计燃料电池欧姆内阻
4.
Design of Bilateral DC Filter in Power Accumulator Battery Testing System
动力蓄电池组测试系统中双向直流滤波器设计
5.
Exploitation and Application Research on Unpill Double Deck Filtration Medial Filter and Integrated Purifier;
非溢流双层滤料滤池及一体化水处理设备开发应用研究
6.
Test of Treatment of Domestic Wastewater by Zeolite-lava Double-layer Medium Biological Aerated Filter;
沸石—火山岩双层滤料曝气生物滤池处理城市生活污水的试验研究
7.
dual way check valve
双向止回阀（双通单向阀）
8.
bacteria bed(s)
细菌滤池; 接触滤池; [pl. ]菌膜过滤层
9.
The resolution of the problems in the de-ironing operation of valveless filters enables them to meet the designed capacity, improves their operating stability, and heighten the pass rate of their water quality to or over 98%.
改进无阀滤池在除铁工艺运行过程中存在的问题，使出水量达到设计能力，运行稳定性提高。
10.
The Research of Ceramic-slag Double-layer Medium Biological Aerated Filter for Pretreatment of Sewage;
陶粒—炉渣双层填料生物滤池处理生活污水的试验研究
11.
The Research of Artificial Zeolite-Coal Slag Double-layer Medium Biological Aerated Filter for Municipal Wastewater;
炉渣—沸石双层填料生物滤池处理城市污水的试验研究
12.
Air filtering pressure reducing valve, solenoid valve, valve location feedback device, valve gate locator, quick exhaust valce.
空气过滤器减压阀，电磁阀，阀位反馈装置，阀门定位器,快速排气阀。
13.
Filtration Technology Study of Biological Filter of the New Type of AC Media;
新型AC滤料生物滤池过滤技术研究
14.
Our main products include steel gate valve, globe valve, check valve, ball valves, forged steel flange, pipeline strainer and so on.
主要有：各种材质闸阀、截止阀、止回阀、球阀、法兰及过滤器等。
15.
LF Linear Filtering
线性过滤，即双线性过滤
16.
reservoir element
油池式折皱滤清元件
17.
Specification for design of airwater washing for filter
滤池气水冲洗设计规程
18.
Estimation of Internal States of Power Lithium-ion Batteries Used on Electric Vehicles by Dual Extended Kalman Filter
利用双卡尔曼滤波算法估计电动汽车用锂离子动力电池的内部状态