[数据资料]科普：铝合金抽管如何制造生产 [复制链接]

引用第54楼zhangt71于2013-07-25 09:27发表的  :
51楼的PRP，水壶架孔焊歪了？

savoniq:An interesting question, then, becomes — is  marketing a simple by-product of technical expertise and product development, a way of converting product into cash? Or is marketing, actually, a key driver behind the whole process? Without marketing, an .. (2013-07-23 21:50) 

harvey.hung:是吗?单抽管没什么技术含量我相信，管壁厚嘛，谁都做的出来。
管壁薄了以后，模具没设计好，抽下去，不是破就是断，没技术含量做的出来吗?
....... (2013-07-23 18:33) 

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