???? ????? ASTM A216 WCB - ?????? ?????? ?????? ??? ????? CE

???? ??????? ASTM A216 WCB? ?? ????? ???? ??????????? ??? ??????? ???????? ????????? ?? ???? ???? ?????? ???? ?????? ??????? ????? ????????? ????????. ????? ?? ??????? ???????? ASTM A216 WCB? ??? ?????? ????? ??????? ??? ????? ?????? ?????? ??????? ???????? ??? ????? ?????? ??????? ?? ??????? ????? ?????? ???????????????. ????? ???? ??????? ASTM A216 WCB ?????? ??? ????? ??? ???? ?????? ????? ???? ?????? ????? ????? ???????. ?????? ???? ????? ????? ??? ????? ?????? ???????? ??? ???? ?????? ????? ???? ???? ??????. ????? ???? ??????? ????? ?????? ???????? ??? ?????? ?????? ?????????? ??????? ?????? ?????????. ?? ??????? ??? ?????? ???????? ???? ???? ??????????? ??? ??????? ???????? ???????? ?? ???? ??????? ASTM A216 WCB ????? ??? ??? ????? ?????? ???????? ??????? ??? ?????. ?? ?? ???? ??????? ????? ??? ?????? ??? ???? ????? ????? ?? ??????? ????????.