Furniture ; bunk beds for domestic use ; part 1 : safety requirements ; german version en 747 - 1 : 1993 家具.卧室用双层床.第1部分:安全性要求
Furniture - bunk beds and high beds for non - domestic use - safety , strength and durability requirements 家具.非家用双层床和高床.安全强度和耐用性要求
Furniture - bunk beds and high beds for non - domestic use - part 2 : test methods ; german version en 13453 - 2 : 2004 家具.非家用双层床和高床.第2部分:试验方法
Furniture - bunk beds and high beds for non - domestic use - part 1 : safety , strength and durability requirements ; german version en 13453 - 1 : 2004 家具.非家用双层床和高床.第1部分:安全强度和耐久
When one berth is placed over another , a dust - proof bottom should be fitted beneath the bottom mattress of spring bottom of the upper berth 如使用双层床，上铺床垫下的弹簧床绷下方应垫上一层防灰尘的底板。
A day after saddam ' s execution , a 10 - year - old boy in texas hanged himself from a bunk bed ( 8 ) after watching a news report on the execution 萨达姆被行刑后第二天，德克萨斯州一10岁男孩看过新闻后在双层床中上吊致死。
After a description on the design principle and mathematical model for a vertical dual bed radial flow adsorber , the structure design of this kind of adsorber was presented , followed by an introduction of the commissioning 摘要介绍了立式双层床径向流吸附器的设计原理和数学模型，阐述了吸附器的结构设计，介绍了调试情况。
