pe90管价格多少钱一米

PE管材的外径有202532405063759011012514016018020022525030031535540045050056063071080090010001200等,其壁厚有063MPa08MPa10MPa125MPa16MPa等该管材的内径一般同外径相同,一般只生产到315口径,其壁厚一般。壁厚有...