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EPC ???? (?????? ????? ????????)
5000 MTPD ???? ????? ?????????
详细说明
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?????: SMLS ?LSAW API 5L ???????? GR.B PSL2? ASTM A312 A358 & TP304 ?304L (JIULI/TPCO/PCK)
?????: 1/2 "-52"
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