??????????????? (Wide Flange Steel) ?????????????????????????????? ??????????????????????????????????????????????????????? ???????????? ???????????????????????? ?????????????????????? ????? ???????????????? ??????????????????????????????? ???????????? ??????????????????? ??????????????????????????????

             ??????????????? (Wide Flange Steel) ?????????????????????????????? ??????????????????????????????????????????????????????? ???????????? ???????????????????????? ?????????????????????? ????? ???????????????? ??????????????????????????????? ???????????? ??????????????????? ??????????????????????????????

?????????????????????? ???????           ?????????????????????? (Auto Guide Vehicle) ?????????????????????????????????????????????????????????????????????????????????????????? ??????????? ??????????????????????????????????? ??????????????????????????????????????????????????????????????????????????????  ???????????????????????????????????????

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