| 释义 |
oxygen masks短语⁶¹⁵²⁸
基本例句
na.氧气面罩；🌏氧气口罩原型oxygenmask的复数 Analysis of the result showed the oxygen masks had serious comfort and seal defects, which were mainly caused by the un- fitness between masks and faces.
分析表明，现面罩的舒适性和气密性存在较严重的问题，主要原因是面罩体造型与飞行员面型不符； d.wanfangdata.com.cn |