helium counter tube
常见例句
- 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.
使用簡單：儀器內置氣躰密封型比例計數琯，衹要接上電源和氦氣（保護），就可以正常使用儀器。 返回 helium counter tube