four jaw chuck 四爪卡盘 ; 四爪夹头

Four-jaw chuck & backplate 四爪卡盘及背板

four-jaw independent chuck 四爪夹头 ; 四爪单动卡盘

four jaw large hole chuck 大通孔四爪单动卡盘

four-jaw concentric chuck 四爪同心卡盘

four jaw concent ric chuck 四爪同心卡盘

four-jaw independent lathe chuck 四爪单动车床卡盘

four-jaw hydraulic chuck 四爪液压卡盘

four jaw independent chuck 四爪单动卡盘