???????????? ????1.???????????????????? ????2.????????????????б????? ????3.?????????ж????????????????? ????4.???????????????????????????? ????5.??????????á?EPDM?????????????????50pphm*40??C*72С????????????е?豸?棬?飬????????
?軺??????????? ??????????????????????????кú??????￡?250??300?棩??????￡???40??60?棩??????????????????????????????????????ο?????????????????к??????????????С??200??48С???????50%??????????????20??25KV/mm??,????????????????????????????????е?????????????????????????ζ???????200????????????????????????????????????????????????????????????豸??????t???????????е????????????? |
