helium layer

英美

释义
更多

- 氦气层
临近单词

helium gas helium helium mass spectrum leak detecting helium-cooled parametric amplifier helium-mercury direct nuclear laser helium mass spectrometer leak detector Helium optically-pumped magnetometer helium-oxygen circulatory respirator helium mass spectrometer leak detection helium leak detection mass spectrometer helium-oxygen communication apparatus Helium nitrogen oxygen saturation diving

以上内容独家创作，受著作权保护，侵权必究

海词词典，十七年品牌

把海词放在桌面上，查词最方便

触屏版| 电脑版

©2003 - 2024 海词词典(Dict.cn)

立即下载

立即下载