山东51*6mm的合金钢管每根有多长？|57*8mm的合金钢管多少钱1吨？ www.316lbuxiugang.com www.myhejinguan.com 32×3.5-4-5-6-8 34×4-5-6-8 36×3.5-5-6-8 38×4-5-6-7-8-9-10 39×3.5-5-8-10 42×3.5-4-5-6-7-8-9-10 45×3.5-4-5-6-7-8-9 48×3.5-4-5-6-7-8-9-10 51×3.5-4-5-6-7-8-9-10 56×3.5-4-5-6-7-8-9-10 57×3.5-5-6-7-8-9-10-12 60×3.5-4.5-5-6-7-8-9-12-14 63×3.5-4.5-5-6-7-8-9-10-12-14 68×4-4.5-5-6-7-8-9-10-12-14-16
山东51*6mm的合金钢管每根有多长？|57*8mm的合金钢管多少钱1吨？
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