???? ASME B16.34 ???? ??? ??????: ?????? ????? ?????? ???????

?? ???? ??? ?????? ASME B16.34 ?????? ?? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ?? ???? ???? ?????? ???? ?????? ???????? ??????? ???? ?????? ??????? ????????? ????????? ???????????? (ASME). ??? ??????? ??? ????? ?? ???????? ?????? ?? ???? ??????? ???? ?????? ?????? ?? ???? ????????? ??? ????? ?????? ??????? ?? ????? ???????? ??? ????? ?????? ??????????? ??????? ??????? ??? ?? ????? ???? ??? ?????? ASME B16.34 ????? ??? ?? ???? ????? ????? ???? ????? ???? ?????. ????? ??? ???????? ?? ?????? ?? ??????? ????? ????? ?????? ??????? ????????? ????????. ?? ??????? ??? ??????? ??????? ??????? ??????? ??? ??????? ?????? ??????? ??????? ?????? ?????? ???? ?????? ??????? ?? ????????? ???? ??? ?? ???? ??? ???? ??? ?????? ???? ?? ?????? ???? ?????? ????? ???? Shijiazhuang Deye Piping Industries Co., Ltd. ??????? ??????? ???????? ?????? ?????????