人类工效学 公共场所和工作区域的险情信号 险情听觉信号
Ergonomics - Danger signals for public and work areas - Auditory danger
检测标准
三相异步电动机经济运行
Three-phase induction motor's economic operation
普通木箱
Wooden boxes
世界海洋名称代码
World ocean/sea area codes
光环境评价方法
Method of evaluating luminous environment
图书书名页
Title leaves of books
图书在版编目数据
Cataloguing in publication data
钢质通用集装箱修理技术要求
The technical requirements of repairs forsteel general purpose containers
经济类型分类与代码
Classification and code for economic categories
职务级别代码
Codes for positions classes
