请输入您要查询的英文单词:
单词
demand mask
释义
demand mask
demand mask
An oxygen mask through which oxygen flows only when the wearer inhales. There is no oxygen flow when the wearer is exhaling. Most combat aircraft have demand oxygen systems, and combat crews use demand masks.
随便看
ky.
kya
kyaboca wood
kyabuhangwa women in development
kyac
kyacdl
kyack
kyae
kyag
kyagb
kyak
kyakhta
kyaku
kyakulumbye development foundation
kyamc
kyamk
kyana
kyang
kyanisation
kyanise
kyanised
kyanises
kyanising
kyanite
kyanitic
英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/5/29 1:49:22