1) The model designation of centrifuges
![点击朗读](/dictall/images/read.gif)
GB/T 7779-1987 离心机型号编制方法
2) The model designation of separators
![点击朗读](/dictall/images/read.gif)
GB/T 7781-1987 分离机型号编制方法
3) The model designation of filters
![点击朗读](/dictall/images/read.gif)
GB/T 7780-1987 过滤机型号编制方法
4) Number designation of refrigerants
![点击朗读](/dictall/images/read.gif)
GB/T 7778-1987 制冷剂编号表示方法
5) Testing of refrigerating systems
![点击朗读](/dictall/images/read.gif)
GB/T 7941-1987 制冷装置试验
6) Pile driving machinery--Terminology
![点击朗读](/dictall/images/read.gif)
GB/T 7920.6-1987 桩工机械术语
参考词条