| 1. | Plug stopcocks with sterile plugs .
在三通开关上塞上无菌塞子。
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| 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。
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| 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。
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| 4. | Laboratory glassware ; double oblique bore stopcocks
实验室玻璃仪器.双斜孔旋塞
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| 5. | Laboratory glassware ; straight bore burette stopcocks
实验室玻璃仪器.直孔滴定管旋塞
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| 6. | If a water - pipe bursts turn off the stopcock immediately
水管破裂时要立即关紧旋塞
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| 7. | If a water - pipe bursts turn off the stopcock immediately
水管破裂时要立即关紧旋塞。
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| 8. | Laboratory glassware ; v - bore stopcocks
玻璃实验玻璃器具. v形管孔软木堵塞
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| 9. | Branch pipe valves . stopcocks . nominal pressure pn 10
支流管阀.制动旋塞.公称压力pn 10
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| 10. | Laboratory glassware ; straight bore stopcocks
实验室玻璃仪器.直孔塞
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