運動器材、傢俱管 、展示管。規格(mm):3/8 inch,1/2 inch,5/8 inch,7/8 inch,1 inch,1-1/8 inch,1-1/4 inch,45 mm,50 mm 厚度(mm):0.5,0.6,0.7,0.8,0.9,1,1.1,1.2,1 ...
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