| 1. | The dall flow tube is an empirical design with an extremely high pressure head recovery . Dall流量管是具有特别高的压头补偿的实验装置。 |
| 2. | A silicone oil bubbler provides a positive gas pressure head inside the growth tube at all times . 硅酮油起泡器能始终在生长管内产生一正气压位差。 |
| 3. | Specification for electrically - heated pitot and pitotstatic pressure heads 电加热皮托管和皮托静压管规范 |
| 4. | Atmospheric pressure head 大气压力冒口 |
| 5. | Artesian pressure head 自流水水压头 |
| 6. | Available pressure head 有效水压头 |
| 7. | Loss of pressure head 压头损失 |
| 8. | Air pressure head 空气压头 |
| 9. | The dall flow tube is an empirical design with an extremely high pressure head recovery Dall流量管是具有特别高的压头补偿的实验装置。 |
| 10. | Standard test method for water penetration of metal roof panel systems by static water pressure head 通过静水压头测试金属屋顶格间水渗透性的标准试验方法 |