题目内容
(请给出正确答案)
[主观题]
After vulcanization, there are still many carbon-carbon double bonds in the molecular chains of natural rubber.
提问人:网友zredkid
发布时间:2022-01-07
A、Trait approach
B、Results approach
C、Orthodox approach
D、Behavior approach
A、excellent impermeability
B、excellent resistance to weathering
C、good chemical stability
D、good stability in high temperature
A、Crystallization
B、Hard block
C、Soft block
D、Polymerization
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