| 1. | The advantages is specially marked in comparison with traditional flap vavle
与传统拍门比较，优势特别明显： |
| 2. | Seek help from neighbors
-向邻居高呼或拍门求助 |
| 3. | Study on dynamic characteristics of flap valve and hydraulic buffer about two design schems
两种拍门液压缓冲设计方案模型试验研究 |
| 4. | A dog barked , and she knocked at the door , her heart beating in spite of herself
一只狗吠了起来，她拍了拍门，心里不由自主地跳着。 |
| 5. | He will be great , and will be called the son of the highest ; and the lord god will give him the throne of his father david .
有人来拍门了，但它是天使，不是约瑟。天使宣告说这位年轻女孩，这位童贞女将会诞下儿子， |
| 6. | A report was made to the police . police officers arrived at the scene and broke into the flat where a naked dead man was found lying on a bed inside the bedroom , with his face facing downward
男子拍门良久仍未有人应门，与此同时，单位传出异味，男子于是报警。警方人员到场破门入屋，在睡房床上发现一具男子尸体。 |
| 7. | All kinds of resisting moment effects upon pump start - up process are fully considered and the different operational results of outlet gate with little flap valve are also reviewed
在计算过程中，比较完整地考虑了各种阻力矩对起动过程的影响，同时重点考察了平直管出水流道，具有快速闸门带小拍门断流装置形式的起动效果。 |
| 8. | The open angle , head loss and hydrodynamic pressure under the rated flow and several kinds of proportion are carefully observed in the model test , and these results are given for reference in engineering design
阶段模型试验中详细观测了在额定流量下，不同比重拍门的开启角度，水头损失及门体动水压力变化情况，以供工程设计应用参考。 |
| 9. | Data transfer is realized by utilizing the interfaces both between visualbasic and excel and between visualbasic and autocad , so the graphs can be generated and the data saved automatically to decrease the repeated work and improve the work efficiency
本文编制开发了拍门运动电算程序，利用visualbasic将拍门运动电算程序进一步可视化，实现人机对话，有助于减少重复劳动，提高工作效率。 |
| 10. | One side , groovy cast steel flap valves increase the head loss , waste electricity , the other side , when flap valves close , it always delay time because of it ' s low proportion . the bump load seriously threaten the safety of pumping station . through the research and development of flap valve used in the renovation practices in the design of air - filled floating flap valve in no . 1 chuhe pumping station of anhui province , the working characteristics and design methods of air - filled floating flap valve are studied in this paper
但在拍门运行使用的同时，又时常暴露出一些缺陷，主要有：一是常规的铸铁或铸钢拍门加大了流道的水头损失，特别是对于装机容量较大的排涝泵站，其电能损耗相当可观；二是拍门在自重下下落关闭时，往往由于过多考虑水头损失导致浮重过小而延误闭门时间，致使水体倒灌，再因缓冲装置失灵导致闭门时门体对门框撞击力很大，严重危及站身安全。 |
