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Preliminary test to Experts on plastic material engineering :# `4 _$ \8 K% v! S. R7 \) ^: G
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!! # M2 K. O% R0 ?6 m$ x
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1 P+ H: L. U) }( W; r( Z* v9 j[ 本帖最后由 sontime 于 2007-1-17 10:09 编辑 ] |
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