| 1. | Since then, small earthquakes and swelling of the mountain indicate that mauna loa's plumbing system is again active .
从这时候开始，小规模的地震和山体的膨胀说明莫纳罗亚火山的通道系统再一次开始活动。 |
| 2. | 1 year or more experience in plumbing system
一年以上从事给排水工程工作经验。 |
| 3. | Air gaps in plumbing systems for plumbing fixtures and water - connected receptors
管道系统中的气隙 |
| 4. | Manually operated quarter - turn shutoff valves for use in plumbing systems
管道工程用手动直角转弯截止阀 |
| 5. | Manually operated , quarter - turn shutoff valves for use in plumbing systems
卫生管道系统中使用的手动直角转弯截止阀 |
| 6. | Air gaps in plumbing systems
管道系统中的气隙 |
| 7. | Plumbing system components for manufactured homes and recreational vehicles
用于活动房屋和游乐车的卫生管道系统零件 |
| 8. | Skills to read layouts and engineering drawings , can design plumbing system as well
熟练的读懂管路分布图及工程图纸，能够设计给排水管路系统。 |
| 9. | Providing regular cleaning of water tanks and maintenance of the plumbing system to avoid water leakage and ensure supply of clean water
定期清理水箱及维修供水系统，防止渗漏及保证食水清洁。 |
| 10. | Plumbing systems in food premises are properly maintained to prevent discharge of offensive or noxious effluents into public places
食物业处所的水管系统保养良好，以免厌恶性或有害的污水排入公众地方； |
