pin punch meaning in English

尖冲头
牙针穿孔器
牙针钻孔器

The beam - test of china pin diodes at the cern sps accelerator produced satisfactory results . in addition , we studied the pin punch - through effect , and obtained the pin punch - through data with 18cm long pb wo4 crystal at the electron beam energies higher than 20gev for the first time , and these data gave valuable information to alice / phos
在cern的sps加速器上的束流测试，得到比较满意的结果；并对穿透效应做了实验研究，首次获得100gev粒子和20gev以上电子束的18厘米长pbwo4晶体探测器pin硅光管穿透效应实验数据，为alice phos提供了有价值的参考资料。