| 1. | It is preferable to connect outlet of test ball valve and drainage outlet with drainage pipeline
最好将试验球阀出口和排污口接排水管。 |
| 2. | There is a small drainage outlet for changing water under the vase , and we use the rubber buffer to block it
花瓶下部有一个换水用的小排水口，并用橡胶塞塞住。 |
| 3. | After installation of valve , access to water with the normal pressure , the drainage outlet should have no water leakage
5阀门安装好后，通入正常压力的水，排污口应无水流出。 |
| 4. | Residents of amoy gardens were also advised to maintain the water seal at the u - traps of drainage outlets to ensure proper functioning
政府亦已劝喻淘大花园居民，保持连接排水渠的u形聚水器有足够水份，以确保该装置能发挥其隔气功用。 |
| 5. | For other blocks of amoy garden , fehd has advised residents to disinfect their flats , in particular all the drainage outlets . guidelines and disinfectants were provided to the residents
至于淘大花园内其馀各座楼宇，食环署已劝喻居民为住所消毒，尤其是所有排水渠，并已向居民提供指引和消毒剂。 |
| 6. | Once the pressure of the main network returns to normal , the valve flap of drainage outlet closes under pressure , first , second level check valves open , the main network return to supply water to branch pipeline
一旦主管网压力恢复正常，排污口阀瓣受压关闭，一二级止回阀打开，主管路恢复向支管供水。 |
| 7. | At this time , slowly open the test ball valve completely , then a lot of water is discharged at the drainage outlet , close the test ball valve , the drainage device closes too , this shows that action of anti - pollution isolating valve is normal
此时缓慢将试验球阀完全打开，这时排污口有大量水排出，关闭试验球阀，排污器也随之关闭，这说明防污隔断阀动作正常。 |
