The punch was fixed by a spring clamp sheath, so that the die was good coaxial and convenient for exchange of the punch.

凸模用弹性夹套固定，模具对中性好，更换凸模方便。

youdao

Its main products include pulling tool, spring tester, measuring tool, image measuring apparatus, load curve measuring tool and paper tape punch, and other instruments.

公司主要销售有拉力计、弹簧测试仪、量具、影像测量仪、荷重曲线仪及纸带机等仪器设备。

youdao

Today, The Rite of Spring remains a classic, but it also still packs a punch.

NPR: Stravinsky's Riotous 'Rite of Spring'