Press performance deteriorates with increased machine speed because of lower residence time inthenip.
压榨的状况随着车速的增加而恶化，因为在压区较短的停留时间。
2
These fabrics often have sufficient capacity to retain all the water expressed from the sheet inthenip.
这些织物往往有足够的能力，保留所有水从纸幅在压区中挤出水。
3
Support body, holding device therefor, apparatus with such body for treatment of a web, methods of forming an extended nipinthe apparatus and controlling load inthenip.