请输入您要查询的英文单词:
单词
class-b door
释义
class-B door
class-B door
A door having a 1- or 1 ½-hr fire-endurance rating, suitable for use as a closure in a class-B opening, such as fire exits and passageways.
随便看
hcild
hcilym
hcim
hcima
hcin
hcina
hcins
hcio
hcip
hciq
hcir
hcirb
hcirn
hcis
hcisd
hcispp
hciss
hcit
hciu
hci-ue
hciv
hcj
hcja
hcjb
hcjc
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:2025/6/25 14:30:47