hook retractor

英 [hʊk rɪˈtræktə] 美 [hʊk riˈtræktər]

网络  牵开钩

医学



双语例句

  1. The hook was clamped by two screw nuts on the screw, and these makes up of the retractor finally.
    不锈钢丝拉钩经两个螺母夹持固定在磁力底座的螺栓上,组成简易的磁力底座拉钩;