The press rolls on paper machine belong to hollow casting roll.
造纸机压榨辊属空心铸造辊。
2
It is a problem of much research meaning that Redesign of Press - shoot Organization is made and Auto - control of Press - shoot is achieved on the base of extant die - castingmachine.
如何在现存压铸机的基础上，进行压射机构的改造并对压射实现自动控制，这是一个很有研究意义的问题。
3
Separated upper grooves (12) are arranged on the presscasting plate (11) of the hydraulic pressing machine (10); the upper grooves (12) hold the upper stretching part of the steel bar component.