| 单词 | 安全设施 |
| 释义 | 〔security〕Something that gives or assures safety, as:安全设施：给予或保证安全的设施，如：〔airside〕airside operations; airside security devices.机场操作；机场安全设施〔bismuth〕A white, crystalline, brittle, highly diamagnetic metallic element used in alloys to form sharp castings for objects sensitive to high temperatures and in various low-melting alloys for fire-safety devices. Atomic number 83; atomic weight 208.980; melting point 271.3°C; boiling point 1,560°C; specific gravity 9.747; valence 3, 5. See table at element 铋：白色、晶状、易碎、高度抗磁的金属元素，用于高温敏感物体的合金中，以铸成锋利物件，多种用于防火安全设施的低熔点合金。原子序数83；原子量208.980；熔点271.3°C；沸点1560°C；比重9.747；化合价3,5 参见 element〔safety〕A device designed to prevent accidents, as a lock on a firearm preventing accidental firing.安全设施：为防止意外而设计的装置，如为避免走火而在火器上装的保险栓 |
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