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外徑140mm係列無縫鋼管詳細壁厚表：簡單介紹
140x6 140x15 140x24 140x32
140x7 140x16 140x25 140x33
140x8 140x17 140x26 140x34
140x9 140x18 140x27 140x35
140x10 140x19 140x28 140x36
140x11 140x20 140x29 140x37
140x12 140x21 140x30 140x38
140x13 140x22 140x30 140x39
140x14 140x23 140x31 140x40
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