back up safety device 备用安全装置
Back-up safety functions 辅助安全功能
back-up safety device 备用安全装置 ; 备用安全设备
back-up safety function 后备安全功能
back up safety functions 辅助安全功能
Back-up p safety functions 辅助安全功能
back-up p safety 备用安全装置
back-up radiation safety system 备用辐射安全系统
As a safety precaution, you might want to back up your original configuration files before upgrading.
为安全起见，在升级之前您可能要备份您的原始配置文件。
The dollar is up, and markets are pouring back into Treasuries.The flight to safety is on.
这导致美元以及美国国债受到追捧，其原因是市场的避险情绪增加。
Parents need to challenge and educate children about how to be safe and back this up with practicing a variety of safety skills.
父母要挑战和教育孩子如何是安全的和背部我们练习了各种各样的安全技巧。
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