washer faced hexagon nut的意思|示意
美 / /
英 / /
垫圈面六角螺母
washer faced hexagon nut的网络常见释义
六角垫圈面螺母 ... 六角薄螺母||hexagon thin nut|||||| 六角垫圈面螺母||washer faced hexagon nut|||||| 六角法兰面螺母||hexagon nut with flange|||||| ...