| 单词 | 潜水箱 |
| 释义 | 〔caisson〕A watertight structure within which construction work is carried on under water.潜水箱：一种密不透水的结构物，其中放有修筑用工具并将其载入水下〔sandhog〕A laborer who works inside a caisson, as in the construction of underwater tunnels.水下隧道工人：在潜水箱内工作的工人，如在水下隧道建造中〔semisubmersible〕A seagoing, self-propelled barge that rides at anchor, stands on partially submerged vertical legs on submerged pontoons, and serves as living quarters and a base of operations in offshore drilling. Also called semisubmersible rig 半潜式钻井船：一种适合于航海的自力推进的驳船，通过锚停泊，依靠水下潜水箱部分在水的垂直椎停立用作生活营房和近海钻井基地 也作 semisubmersible rig |
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