bell diving-bell钟
diving-bell钟形潜水器
diving rescue bell救生钟
diving g bell潜水钟
diving automatically bell潜水钟
Diving Bell and Butterfly潜水钟与蝴蝶
diving bell motion compensator潜水钟运动补偿器
diving bell with platform带平台的潜水钟
diving bell stability潜水钟稳定性
N-COUNT（可数名词） A diving bell is a container shaped like a bell, in which people can breathe air while they work under water. 潜水钟