yarn back ybk 毛线后移
Described the YBK-2000 project progress management present situation and the existence main question.
描述了YBK - 2000项目进度管理现状和存在的主要问题。
First, this article described the project progress management function, as well as rivers and streams company YBK-2000 project enhancement progress management necessity.
首先，本文描述了项目进度管理的作用，以及江河公司Y BK - 2000项目加强进度管理的必要性。
It is presented that the design features of terminal box for Series YBK2 flameproof three-phase induction motor, comparing with Series YBK and a design proposal is given in this article.
文章对Y BK系列电动机和YBK2系列电动机接线盒的规格进行了比较，介绍了YBK2系列电动机接线盒的设计特点，最后给出设计方案。
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