upper chain的意思|示意
upper chain相关短语
1、 upper chain guide 上部链导向件
2、 Chain Upper Back Extension 铁链上背部伸展
3、 upper-economy chain 经济型连锁店
4、 Chain Upper Back Good Morning 铁链上背部早上好
5、 upper stream supply chain 上游供应链
upper chain相关例句
This paper mainly studied about the paper packaging printing enterprises' logistics management, between the upper and lower enterprises, under the supply chain.
本文主要探讨了在供应链的环境下，纸包装印刷企业与其供应链上下游企业之间的物流管理问题。
Upper section composed of driving sprocket upper casing with rails (double chain) and discharging outlet.
上部区段，由传动链轮及带有轨道(双排链)的上部机壳、卸料口组成。
NE series plate chain bucket elevator is composed of upper section middle casing lower section moving members driving unit maintenance platform and hanging racks.
提升机由上部区段、中部机壳、下部区段、运行部件、驱动装置、检修平台和吊架组成。