常见例句雙語例句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 x-ray counter