铜带铜合金铜材GBCUZN37AL1
油路油泵齿轮2.060
滤芯铁建盾构油路
innotePOLA710602.06060
innotMXQekPOLA56600602.0605400
innotekPOLA7400605710602.060
铁建油路油泵重工
焊管接管2.06060