| 1. | Thus it was demonstrated that the main pressure zone was little affected by the downstream flow condition .
由此可见，下游的流动情况对主要压力区几乎没有影响。 |
| 2. | Especially made for testing all reduced pressure zone backflow preventers
专用于检测所有减压区防回流阀。 |
| 3. | Pzm pressure zone microphone
压力区话筒 |
| 4. | Product variants are also offered for tasks in pure vacuum zones or combined vacuum - pressure zones
产品变量还可以适合完全真空区域或者真空压力混合区域中的作业。 |
| 5. | Non controllable backflow preventer with different pressure zones - family c , type a ; german version en 14367 : 2005
有不同压力区的非可控防回流组件. c类. a型德文版本 |
| 6. | Due to the above reason the association of sandstone and mudstone is important to the form of abnormal pressure zones
基于以上原因，砂泥岩组合型式对异常超压带的发育有重要影响。 |
| 7. | Devices to prevent pollution by backflow of potable water - controllable backflow preventer with reduced pressure zone - family b . type a
防饮用水回流污染设备.带减压区的可控制回流防止器. b系列a型 |
| 8. | Devices to prevent pollution by backflow of potable water - controllable backflow preventer with reduced pressure zone - family b - type a
防饮用水回流污染设备.带减压区的可控制回流防止器. b系列a型 |
| 9. | Devices to prevent pollution by backflow of potable water - controllable backflow preventer with reduced pressure zone - family b , type a ; german version en 12729 : 2002
饮用水防回流污染设备.带减压区的可控回流防止器. b系 |
| 10. | Reduced pressure zone assembly shall be installed at each potential health hazard location to prevent backsiphonage and / or backpressure backflow
在每个具有潜在健康危害，需要防止反虹吸和/或反压力回流的地方应该安装一个减压区总成。 |
