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PTFE??????????????????????????????????????????????
发布时间:2023-07-26 16:26 来源:网络
????????????????????????????????????????????????????ASTM B148 ??????ASTM B150 ??????ASTM B150 ??????????ASTM B1478 ???????? PTFE ???? ?? ASTM 193 B8 ?????? ASTM B194 8 ???????????? ASTM A148????,ASTM A148 ????,PTFE ??????,???????? class150 lb RF?????????? ?????? ?????? ?????? ?????? ?????????? ???????? ???? ?? ?????? ?????? ??????????ASTM B148 ??????ASTM B150 ??????ASTM B150 ??????????ASTM B1478 ???????? PTFE ???? ?? ASTM 193 B8 ?????? ASTM B194 8??????????