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Reduction of vacuole in the wall and preparation of large diameter micro shells were also discussed.
另外还对球壳内壁气泡问题及大直径球壳的制备进行了讨论.
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A Press Production Line of Fourdrinier 3600 and Large-Roller Diameter Multi-Cylinder.
一条3600多长网多缸大磙径压榨生产线.
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线接触结构,金属面积比较高, 具有较高的破断载荷.
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指出在悬索跨越设计中用钢丝绳作主索的局限性很大，而对大管径、大跨度悬索跨越工程采用高强钢丝平行束作为主索势在必行。
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Diameter of punched driving roller is large, suiting rewinding of large and small roll.
复卷驱动辊直径大, 适应大小卷径的复卷.
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