| 1. | Drainage improvement in east kowloon - package b
东九雨水排放系统改善计划b部分 |
| 2. | Drain and sewer systems outside buildings - index
建筑物外的污水和排放系统.索引 |
| 3. | Drainage improvement in northern hong kong island
港岛北部雨水排放系统改善计划 |
| 4. | Analysis of emergency discharge system of chemical device
化工装置紧急排放系统分析 |
| 5. | The gangue discharge system by belt conveyance in the mine
矿内输送带运输矸石排放系统 |
| 6. | Drainage improvement works at tsing lun road , tuen mun
屯门青麟路雨水排放系统改善工程 |
| 7. | Drain system and remove valve from piping
从管道上排放系统和拆卸阀门。 |
| 8. | Opest oil protection and emission system test
油品保护及排放系统试验 |
| 9. | Drainage improvement in southern lantau
南大屿山雨水排放系统改善计划 |
| 10. | Drainage improvement in east kowloon - package b phase 2
东九雨水排放系统改善计划- b部分第2期 |
