Plain Ring and Snap Gages for checking the major diameter.
普通环规与卡规是为了检测大径。
A pretension method for major diameter bolts using hydraulic stretching equipment is introduced.
介绍了一种大直径螺栓的预紧方法液压拉伸预紧法。
The paper introduces calculation for the vertical and horizontal load bearing capacities of poured piles with major diameter.
介绍了大直径灌注桩的竖向和水平承载力的计算。
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