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Preliminary test to Experts on plastic material engineering :! E; D* s, o/ g' b( z; ^' N
This was a part of enterance examination of material engineering for Doctors, I have had a look at them, and believed that you can not answer these questions unless you are a very professional and have wide range of academic knowledge on plastic engineering, should you even get any answer, please let's share them with you!!
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[ 本帖最后由 sontime 于 2007-1-17 10:09 编辑 ] |
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