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I ask what is meant by internal energy-type rubber?

suchdream2010-02-10 10:01:36 +0000 #1
What Will the internal energy-type rubber?
Dr strong and2010-02-10 10:15:28 +0000 #2
can be set within a set of plastic is plastic without irrigation under plastic case also has a strong elastic (traditional sets of rubber are increased through the shells before filling plastic).

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