bell buoy是什么意思

网络释义

1)bell buoy,装钟浮标2)bell buoy,钟声浮标3)bell buoy,钟响浮标4)submarine bell buoy,水中钟浮标5)light and bell buoy,灯钟浮标，灯铃浮标6)gong buoy,装锣浮标