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SH340996钢板制对焊管件偏心大小头45°弯头
$73.02/个
2015-08-12 06:32
钢通舱船舶管件接头 90度R=1D 45°短半径小角度弯头RC同心异
$5.08/个
2015-08-11 10:39
焊接同心大小头 偏心异径管GB/T124592005钢制对焊弯头管件
$15.08/个
2015-08-11 10:25
