问题描述： 安全标识的定义及英文翻译 1个回答 分类：英语 2014-11-17 问题解答： 我来补答 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 展开全文阅读
