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標題:
what is polyethylene?
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發問:
The materials is PVC or PP?? 更新: What is 單6或是孖6
最佳解答:
1) The code for Polyethylene is PE. 2) The code for Polypropylene is PP. 3) PVC is Polyvinyl chloride.
其他解答:
應該係PP,單6或是孖6等
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