| 1. | Plug stopcocks with sterile plugs .
在三通开关上塞上无菌塞子。 |
| 2. | If a water-pipe bursts turn off the stopcock immediately .
如果水管破裂时要立即关闭水龙头。 |
| 3. | When the stopcock is opened, water flows from the top of the warmer column into the colder column .
打开活塞后，水即由较热的水柱顶端流入较冷的水柱。 |
| 4. | Laboratory glassware ; double oblique bore stopcocks
实验室玻璃仪器.双斜孔旋塞 |
| 5. | Laboratory glassware ; straight bore burette stopcocks
实验室玻璃仪器.直孔滴定管旋塞 |
| 6. | If a water - pipe bursts turn off the stopcock immediately
水管破裂时要立即关紧旋塞 |
| 7. | If a water - pipe bursts turn off the stopcock immediately
水管破裂时要立即关紧旋塞。 |
| 8. | Laboratory glassware ; v - bore stopcocks
玻璃实验玻璃器具. v形管孔软木堵塞 |
| 9. | Branch pipe valves . stopcocks . nominal pressure pn 10
支流管阀.制动旋塞.公称压力pn 10 |
| 10. | Laboratory glassware ; straight bore stopcocks
实验室玻璃仪器.直孔塞 |
