Substitution of conventionally double pressed and double sintered synchronizer hubs by warm powdercompaction
http://www.engineeringvillage.com/search/doc/abstract.url?pageType=quickSearch&searchtype=Quick&SEARCHID=951ae708M22b2M4220Mbb4bM3b12a419e3c7&DOCINDEX=1&database=1&format=quickSearchAbstractFormat&dedupResultCount=&SEARCHID=951ae708M22b2M4220Mbb4bM3b12a419e3c7
是的,我们这边也是,我看网上说这是因为图书馆没有收入相应的期刊所致。具体也不清楚
追答我再帮你从别的地方看看