| 1. | Measurement of fluid flow using variable area meters
用可变面积测定仪测量流体流量 |
| 2. | Measurement of fluid flow in pipes using variable area meters
用可变面积计量计测量管道中的液体流量 |
| 3. | Glass tube variable area meters
玻璃转子流量计 |
| 4. | Variable area water intake
可变面积吸水口 |
| 5. | Variable area flowmeters
可变截面流量计 |
| 6. | Van variable area nozzle
可变截面喷管 |
| 7. | Variable area flowmeter
变面积流量计 |
| 8. | Cinematography - common to more than one film gauge - sound - method for measurement of the signal to noise ratio of 8 mm type , 16 mm and 35 mm variable area photographic sound records
电影技术.第5部分:多种胶片宽度的通用部分.第4节:伴音.第6小节:在8mm s型16mm 35mm可变面摄影录音信噪比测量方法 |
