| 1. | No corner and repair valve for water supply
实验水池给水没有设置角阀及检修阀门。 |
| 2. | Shipbuilding - cast iron 5k lift check angle valves
造船.铸铁制5k提升止回角阀 |
| 3. | Shipbuilding - bronze 16k angle valves union bonnet type
造船.青铜制16k角阀 |
| 4. | Shipbuilding - bronze 5k screw - down check angle valves
造船.青铜制5k螺旋拧紧止回角阀 |
| 5. | Shipbuilding - bronze 5k angle valves union bonnet type
造船.青铜制5k角阀 |
| 6. | 1 bronze , gate , globe , angle , and check valves amendment 1
青铜闸阀球阀角阀和止回阀 |
| 7. | Shipbuilding - bronze 16k screw - down check angle valves
造船.青铜制16k螺旋拧紧止回角阀 |
| 8. | Shipbuilding - cast iron 5k screw - down check angle valves
造船.铸铁制5k螺旋拧紧止回角阀 |
| 9. | Shipbuilding - cast iron 16k screw - down check angle valves
造船.铸铁制16k螺旋拧紧止回角阀 |
| 10. | Shipbuilding - cast iron 10k screw - down check angle valves
造船.铸铁制10k螺旋拧紧止回角阀 |
