Bolts or screws with nuts are widely used for fastening machine and structural components.

带螺母的螺栓或螺钉被广泛用于固定机器以及结构的部件。

youdao

USES: widely used in mechanical, ships, aviation departments manufacturing bearings, bushings, pump parts, gear turbine, seat, bolts, nuts, structural components, etc.

用途：广泛用于机械、舰船、航空等部门制造轴承、轴套、泵零件、齿轮涡轮、阀座、螺栓、螺母、结构件等。

youdao