| 1. | Specifications for the moving cistern mercury barometer 动槽水银气压表技术条件 |
| 2. | Specification for moving cistern mercury barometers 动槽水银气压表 |
| 3. | Secondary standard mercury barometers 二等标准水银气压表 |
| 4. | The principle of the mercury barometer is illustrated in the following figure 下图显示水银气压表的运作原理。 |
| 5. | The principle of the mercury barometer is illustrated in the following figure 下图显示水银气压表的运作原理。 |
| 6. | A mercurial barometer has a glass tube a little more than 30 inches long 水银气压表有一长30英寸多一点的玻璃管。 |
| 7. | Compensated scale barometer 定槽水银气压表 |
| 8. | Contact mercury barometer 电接点水银气压表 |
| 9. | Ustable cistern barometer 动槽水银气压表 |
| 10. | Mercury barometer and aneroid barometer are commonly used to measure air pressure 量度气压,水银气压表和空盒气压表是常用的仪器。 |