| 1. | Exploration of positive pressure mechanical air supply system 正压送风系统设计探讨 |
| 2. | Self - contained positive pressure compressed oxygen respirator 隔绝式正压氧气呼吸器 |
| 3. | Test method for positive pressure fire test of window assemblies 窗组件正压燃烧试验方法 |
| 4. | Biopak 240 respiratory chamber positive - pressure oxygen respirator 240呼吸舱式正压氧气呼吸器 |
| 5. | Application of dense flyash conveying system with positive pressure 正压浓相输灰系统的应用评析 |
| 6. | Self - contained positive pressure air breathing apparatus for fire fighter 正压式消防空气呼吸器 |
| 7. | Argon canister . it ' s under pressure 氩气过滤器,现在是正压 |
| 8. | Positive pressure is vented to atmosphere 正压排入大气。 |
| 9. | Standard for safety for positive pressure fire tests of door assemblies 门附件的正压燃烧试验的安全标准 |
| 10. | Analysis on the common faults of the positive pneumatic ash removal system 正压气力除灰系统常见故障分析 |