... Foundation bolt地脚螺栓 Hexagonal head bolt六角头螺栓 Hook bolt钩形螺栓 ...
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hexagonal head tap bolt 六角头螺栓
hexagonal socket head bolt 内六角头螺栓
·2,447,543篇论文数据，部分数据来源于NoteExpress
The utility model discloses a force driven fixing structure for axle center which comprises gear or synchronous belt wheel, axle clamp and inner hexagonal head bolt.
一种力传动的轴心固定结构，包括齿轮或同步带轮、轴夹及内六角螺栓。
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