单词 | cofferdam |
释义 | Word Frequency cofferdam(ˈkɒfəˌdæm) noun Often shortened to: coffer1. a watertight structure, usually of sheet piling, that encloses an area under water, pumped dry to enable construction work to be carried out. Below a certain depth a caisson is required 2. (on a ship) a compartment separating two bulkheads or floors, as for insulation or to serve as a barrier against the escape of gas or oil |
随便看 |
|
英语词典包含233703条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。