1.
Study on the Application of Valley-fill Possitive PFC in Off-line LED Lighting Power Supply
填谷式无源PFC在离线LED照明电源中的应用研究
2.
A Design of Constant-current High-voltage Power Supply for LED Based on Valley Fill Circuits
基于填谷电路的恒流式LED高压驱动电源的设计
3.
The DEM Generalization Based on the Filling Valley Coverage
一种基于谷地填充的DEM综合方法
4.
The Role of TOU for Large Industry Consumers Participating Power Grid Peak Shaving and Valley Filling;
大工业用户运用峰谷电价参与电网削峰填谷的实践
5.
Study on Ion-exchange Packing Materials in EDI Stacks and the Packing Forms;
EDI膜堆填充材料及其填充方式的研究
6.
Determination and analysis of TOU power price based on DSM when load shifting optimized;
削峰填谷最优时基于DSM分时电价的确定与分析
7.
A Discussion on Application of Clay Underlayer to Valey-Type Waste Landfill
山谷型安全填埋场实施粘土衬层的探讨
8.
Research on increasing the sewage treatment capacity by peak load shifting of CAST process
CAST工艺改进削峰填谷增加处理量的研究
9.
surface gravel pack
地面倾倒式砾石充填
10.
outside-packed floating head exchanger
外填料式浮头换热器
11.
over-the-top gravel packing too
皮碗式砾石充填工具
12.
auger backfiller
万能螺旋钻式回填机
13.
5. Fill in the blanks with the right verb form.
用适当的动词形式填空。
14.
2. Fill in the blanks with the right form of the verbs.
用动词的适当形式填空.
15.
6. Read and put in the right forms of the verbs.
用动词适当形式填空.
16.
Fill in each blank, using the correct verb in its correct form.
用正确动词形式填空。
17.
alkaline packed tower scrubber
碱性填充塔式洗涤器
18.
top-down packing
由上而下的沙丘式充填