Vacuum brazing technology of a type of ultrasonic cutting tool is introduced in this paper. The main contents are composed of brazing filler metal. brazing method and brazing procedure.
介绍了超声切割刀具的真空钎焊技术，主要内容包括钎焊材料、钎焊方法和钎焊工艺。
This paper describes the removal process of odious gas H 2S with the biological membrane method, which adopts PVC elastic solid filler.
采用PVC弹性立体填料进行了好氧生物法脱硫的研究。
The invention discloses a waste paper sludge composite filler and a preparation method thereof as well as application of the waste paper sludge composite filler to a nitrile rubber product.
本发明公开了一种废纸污泥复合填充剂及其制备方法和在丁腈橡胶制品中 的应用。
应用推荐