Double set-screws standard with all bore sizes 1/2 inch and over.

双调节螺钉，尺寸在1/2英寸以上。是一款您理想的选择材料。

youdao

Double set-screws standard with all bore sizes 1/2 inch and over.

双调节螺钉，尺寸在1/2英寸以上。是一款您理想的选择材料。

youdao