caisson是什么意思

1. 沉箱：1845 年,法国人 Triger 提出最早的减压病之病例报告,当时法国政府为了在 Chalonnes 市建造一座横跨罗亚尔河(Loire river)的大桥,他负责设计和制造一个可装载工人的潜水沉箱(caisson),用来协助将石块做成的桥墩立确地沉放於河底烂泥中,

2. 沉箱;挖孔桩：caged man 笼屋居民 | caisson 沉箱;挖孔桩 | caisson cap 沉箱盖;沉箱帽

3. 藻井：cage of reinforcement 钢筋骨架 | caisson 藻井 | caisson ceiling 澡井顶棚

4. 弹药车：BUS 中巴﹔ | Caisson 彈藥車﹔ | Tank 戰車/坦克車﹔

noun

1. large watertight chamber used for construction under water

    Synonym: pneumatic caissoncofferdam

2. a chest to hold ammunition

    Synonym: ammunition chest

3. a two-wheeled military vehicle carrying artillery ammunition

4. an ornamental sunken panel in a ceiling or dome

    Synonym: cofferlacuna