矩形焊管规格:
[10*20*1.0-1.5mm], [12*18*1.0-1.5mm], [15*20*1.0-1.5mm] , [14*21*1.0-1.5mm] , [12.5*25*1.0-2.0mm ], [ 20*25*1.0-2.0mm ], [15*30*1.0-2.0mm] , [ 13*38*1.0-2.0mm ], [20*30*1.0-2.0mm ], [15*40*1.0-2.0mm] , [ 20*40*1.0-2.5mm ], [25*40*1.0-3.0mm ], [30*40*1.0-3.0mm ], [ 20*50*1.0-3.0mm ], [25*50*1.0-3.0mm ], [30*50*1.0-3.5mm ], [40*50*1.0-4.0mm ], [20*60*1.0-4.0mm ], [30*60*1.0-4.0mm ], [40*60*1.0-4.0mm ], [25*70*1.0-4.0mm ], [30*70*1.0-4.0mm ], [50*70*1.0-4.0mm ], [40*80*1.0-4.0mm ], [50*80*1.0-4.0mm ], [60*80*1.5-5.0mm ], [30*90*1.5-5.0mm ], [45*90*1.5-5.0mm ], [50*90*1.5-5.0mm ], [50*100*1.5-5.0mm] , [ 80*120*1.5-5.0mm] , [60*120*1.5-5.0mm ], [100*120*1.5-5.0mm ], [75*125*2.0-5.0mm] , [60*160*2.0-5.0mm ],
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