塑料（英文）

ahyoung · 发表于 2006-8-26 14:00:00

介绍了塑料的特性及生产方法．需要的快下．

shiny_terry · 发表于 2006-8-30 16:31:00

no one want this info?why none of you reply this article?

白云飘 · 发表于 2006-9-16 17:11:00

我要了

apple3209 · 发表于 2006-9-18 12:48:00

More information for the plastic is better I think.I still appreciate you.

stone2008 · 发表于 2006-10-11 16:24:00

YOU DID A GOOD  JOB，THANKS！

821201 · 发表于 2006-10-15 23:27:00

I wantedThank you very much!

MD-BEN · 发表于 2006-11-4 19:15:00

thanks ,

cyssxjd · 发表于 2006-11-7 12:37:00

[em01][em01][em01] 3Q!

suxueyang · 发表于 2006-11-16 13:05:00

thanks

moju2002 · 发表于 2006-11-17 10:21:00

i find now.thank you very much

sevenliu · 发表于 2006-12-20 16:40:00

downloaded,thanks a lot! very nice of you!

yekong051224 · 发表于 2007-5-10 07:49:00

good for you

wenyongshan · 发表于 2007-5-10 08:35:00

[em17]

dgqsnow · 发表于 2007-5-16 15:51:00

Thank you very much

yjf881 · 发表于 2007-6-18 14:46:00

Thanks！

myjobpeter · 发表于 2007-10-17 15:44:58

thanks very much!

myjobpeter · 发表于 2008-3-30 14:14:46

THANKS VERY MUCH!

hugenping110 · 发表于 2009-5-25 15:01:11

thank you very much!!

z455703193 · 发表于 2009-6-2 11:08:59

郁闷啊怎么这么小啊

myarena · 发表于 2010-3-19 10:53:28

Thanks for your sharing.

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