fixing bolt 固定螺栓 ; 紧固螺栓 ; 防松螺栓

cast-in fixing bolt 预埋锚栓

expansive bolt fixing 膨胀螺栓固定

anchor fixing bolt 锚固螺栓

Fixing g bolt 固定螺栓

in fixing bolt 预埋锚栓

chemical-fixing bolt 化学植根螺栓

one-way fixing bolt 单向固定螺栓

fixing bolt of aluminum 铝制固定螺栓