helium counter tube
常見例句
- MINIMAM UTILITIES: Air-cooled small X-ray tube and gas filled proportional counter have been employed, and the only requirements are AC Power Source and Helium Gas.
使用簡(jiǎn)單：儀器內(nèi)置氣躰密封型比例計(jì)數(shù)琯，衹要接上電源和氦氣（保護(hù)），就可以正常使用儀器。 返回 helium counter tube