关于外国人发表在期刊上的论文

如题，毕业设计里参考文献需要外文的期刊，外国人写的，在知网上也没查到，关键字是：行星齿轮，减速器，急求

查找论文最好的地方当然是去四大论文库啊，一是中国知网，自己注册账号。二是，万方数据库。三是，维普期刊网。最后是龙源数据库。里面基本上都是齐全的，要是再找不到，那你就要去问导师了。

no mold line of spindles spinning plastic mold design the nil-ray tube spindles spinning plastic injection mold design, the key is to die with the ramp-pumping device and to accurately determine the direction of mold and mold guarantee line is not in the external surface of the tubes. for purposes consider that it is used for winding yarn, which calls for the tubes outer surface smooth enough, this article solve design problems to provide an explanation. and pieces of plastic materials, the quality of analysis and volume calculation, a reasonable selection of injection molding machinery, as well as various parameters of the check, design a reasonable, affordable, suitable plastic injection mold. injection mold; pumped-ramp; no mold line