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| 21. | Handling and Storage of Cylinders |
| 钢瓶的操作和储存 |
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| 22. | Federal Law prohibits persons, other than cylinder manufacturers, from repairing acetylene cylinders. Disposal of unserviceable cylinders should only be attempted by experienced personnel. |
| 联邦法律禁止任何人，除了钢瓶制造商以外，修理乙炔钢瓶。只能由有经验的人来处理废弃钢瓶。 |
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| 23. | The amount of gas in a cylinder is determined by the pressure, temperature, cylinder size, and cylinder pressure rating. The molecular symbol for hydrogen is H2 . |
| 钢瓶的气体容量由压力、温度、钢瓶尺寸和钢瓶的额定压力来决定。氢的分子式是H2.。 |
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| 24. | Adequate distance must be maintained between personnel and burning cylinders because cylinders may rupture. |
| 因为钢瓶可能破裂，人和燃烧的钢瓶之间必须保持足够的距离。 |
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| 25. | Do not handle cylinders roughly or carelessly to prevent damage to the cylinder or the filler. Dropping cylinders can cause leaks to develop at fuse plugs. |
| 禁止粗暴或漫不经心地操作钢瓶，以防止损伤钢瓶或填充物。钢瓶跌倒会导致保险塞处泄漏。 |
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| 26. | Separate flammable gas cylinders from oxygen and other oxidizing gas cylinders during storage. |
| 把易燃气体钢瓶与氧和其它氧化气体钢瓶分开储存。 |
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| 27. | Attach a label or tag to the cylinder identifying the problem and return the cylinder to the supplier. |
| 给钢瓶贴上标签或标志说明问题，然后把钢瓶返还给供应商。 |
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| 28. | Store cylinders in areas designated for that purpose |
| 在专用区域储存钢瓶。 |
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| 29. | Open cylinder valves slowly and carefully after the cylinder has been connected to the process. |
| 在钢瓶已经连接到过程后，慢慢地仔细地开启钢瓶阀门。 |
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| 30. | Cylinder leaks usually occur at welded seams (on low-pressure cylinders) or at the cylinder valve. Proper quality control of materials and inspections, as required by the Department of Transportation (DOT), lessen the probability of cylinder leaks. |
| 钢瓶泄漏通常发生在焊缝处（低压钢瓶），或者在钢瓶阀门处。正如交通部所要求的那样，材料的正确质量控制和检查降低了钢瓶泄漏的概率。 |
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