02 中文名称： 无缝和焊接钢管 单位长度的尺寸和质量 英文名称： Seamless and welded steel tubes - Dimensions and masses per unit length 页数： 8 采用标准： DIN EN 10220 (2003-03), E
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吊杆架由无缝钢管焊接而成，手摇起重机和吊杆架一起固定在吊笼上。
The suspension framework was welded by the seamless steel pipe, the hand crane and suspension framework are fixed on the suspension coop.
一个电话到奥索卡，让您立即进入焊接和无缝钢管和管在世界上最负盛名的工厂生产的。
One call to Ozark gives you immediate access to welded and seamless steel pipe and tube manufactured by the most reputable mills in the world.
在经济可比性的范围内，分析生产焊接钢管和无缝钢管时，各类不同工艺流程条件下的物料消耗构成和价格比较。
Bosed on economic comparability the consumption of materials and the price of welding and seamless pipe are compared under the different producing process.
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