diving bell 的英语意思
diving bellˈdiving bell noun [countable] 
查看全部语言翻译 a metal container that is open at the bottom and filled with air under pressure, in which people can work under water一种底部开口、充有压缩空气的金属容器，供人在水下作业使用
查看全部语言翻译 a metal container that is open at the bottom and filled with air under pressure, in which people can work under water一种底部开口、充有压缩空气的金属容器，供人在水下作业使用