锟斤拷锟接冿拷P23锟斤拷NR锟斤拷然锟斤拷锟絲锟斤拷锟皆斤拷锟絕原锟斤拷锟较斤拷B

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NR锟斤拷然锟斤拷锟絲锟斤拷锟皆斤拷锟絕原锟斤拷锟较斤拷B锟斤拷
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3锟斤拷锟揭傦拷锟斤拷锟矫讹拷锟戒摻z锟斤拷锟斤拷锟戒摻z锟饺單癸拷鋼絲锟侥筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆讹拷锟斤拷锟斤拷玫摹锟�
4锟斤拷锟斤拷元锟揭憋拷锟斤拷锟絲锟斤拷锟揭傦拷锟斤拷锟斤拷锟秸憋拷锟斤拷锟斤拷EPDM锟斤拷锟斤拷號4045锟斤拷
5锟斤拷锟斤拷然锟斤拷锟絲锟揭傦拷锟斤拷锟斤拷锟斤拷锟较東锟絃(f锟斤拷ng)锟狡伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟絴锟絃(f锟斤拷ng)锟狡ｏ拷NR锟斤拷锟斤拷號1#锟斤拷锟絲锟斤拷
6锟斤拷炭锟斤拷锟揭傦拷锟斤拷锟斤拷锟斤拷蚩ú锟斤拷鼗锟斤拷虾锟斤拷锟斤拷锟�锟斤拷锟斤拷號N330/220/774锟斤拷
7锟斤拷锟斤拷锟斤拷锟斤拷锟絲锟揭傦拷锟斤拷锟斤拷锟叫囷拷石锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷NBR锟斤拷锟斤拷號N41锟斤拷
8锟斤拷锟斤拷锟斤拷锟斤拷锟絲锟揭傦拷锟斤拷锟斤拷锟叫囷拷石锟斤拷IIR锟斤拷锟斤拷號1751锟斤拷
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锟斤拷锟絇(gu锟斤拷n)锟絘(ch锟斤拷n)品锟斤拷NR锟斤拷然锟斤拷锟絲锟斤拷锟絕