The application is related to inflatable devices, and, more specifically, to an inflatable device with a recessed fluid controller and improved adjustment device.
这项申请涉及充气装置，和更明确地说涉及有凹进的流动控制器和改进的调整装置的充气装置。
Inflatable devices that fit around children's waists or arms are toys and shouldn't be regarded as reliable flotation devices, added Nathalie Vallieres, of the Lifesaving Society.
另外，充气式的设备，比如游泳圈或臂圈，只是玩具，不能把它们当做是可靠的救生设备，救生协会的娜塔莉·瓦利尔还补充说明：“这些设备很容易被扎破或者移除掉，这样便提供不了充足的浮力保证孩子的安全。”
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