久久国产精品影院,国产va免费精品观看,真实呦女网站,成人精品一区二区三区,夜色精品国产一区二区,狠狠干2017,亚洲国产精品乱码一区二区三区

■特點：
☆短圓柱連接形式。
☆油缸前置，與卡盤連為一體。
☆大通孔，大夾緊力。
☆適用于管子加工機床和焊接制備。
☆成對使用，精度高，操作方便。
■Specificity:
☆Short cylindrical center mounting.
☆Front-mounted cylinder and with chuck as a whole.
☆Large through hole and large clamping force.
☆Suitable for pipe maching , machine tool and welding equipment.
☆Using as double with high accuracy and easy operating.