求助CJ/T323-2015
本帖最后由 xifeng1115 于 2016-10-12 18:17 编辑求助CJ/T323-2015超高分子量聚乙烯钢骨架复合管材
http://bbs.infoeach.com/thread-115631-1-1.html jinchangh 发表于 2016-10-9 12:37 static/image/common/back.gif
http://bbs.infoeach.com/thread-115631-1-1.html
清晰度一般呀!
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