| 1. | The channel on the left then drains the zone to atmosphere 左侧渠道随后将减压区内的物质排泄到大气中。 |
| 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. | 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 |
| 4. | 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 |
| 5. | 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 |
| 6. | 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。 |
| 7. | A 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。 |
| 8. | Reduced pressure zone assembly shall be installed at each potential health hazard location to prevent backflow due to backsiphonage and / or backpressure 在每个潜在健康危害的地方应该安装减压区总成,以防止由于反虹吸和/或反压力造成的回流。 |
| 9. | A reduced pressure zone assembly shall be installed at each potential health hazard location to prevent backflow due to backsiphonage and / or backpressure 在每个潜在健康危害的地方应该安装减压区总成,以防止由于反虹吸和/或反压力造成的回流。 |
| 10. | Series 009 reduced pressure zone assemblies are designed to protect potable water supplies in accordance with national plumbing codes and water authority requirements 系列009减压区总成按照美国管道标准规程和水主管部门的要求保护饮用水供应系统。 |