来源：学生作业帮 编辑：神马作文网作业帮 分类：英语作业 时间：2024/11/12 22:52:07
安全标识的定义及英文翻译
定义：
A safety symbol indicates the presence of information or instructions about health or safety at work by means of a signboard,a colour,an illuminated sign or acoustic signal,a hand signal or a verbal communication.
自己翻译吧
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