知识问答
最佳答案：缓冲胶块=damper rubber, cushioncollar缓冲套,衬环grommet; backing ring; bush ring; bushing
最佳答案：1. Applied to the tube sets of hydrogen sulphide environment2. Oil used to contr
最佳答案：Oil depot outlineOne,the geographical environment and facilitiesTwo,the oil depo
最佳答案：Unit address:yuexiu district in guangzhou dongfeng west road no.142 south oilbui
最佳答案：The phone that you need to test the purpose is to test whether the mask on ink i
最佳答案：随着石油危机和环境污染的日益加剧,车用替代燃料的研究与开发越来越被重视.生物柴油作为一种新型可再生的生物质能源,具有和石化石油相近的特性,可在不改变发动机的结构
最佳答案：Shipping supply, recycling all commodities, binding materials, wood, steel wire,
最佳答案：Scientists and environmentalists are concerned about global warming.The use of f
最佳答案："Auspicious elephant plate " productoperating instruction manual1.Use anenvironm
