... 直升机库 helicopter hangar 氦一氧混合气 helium-oxygen mixture 希腊验船协会 Hellenic Register of Shipping (HR) ...
基于8个网页-相关网页
氦氧混合气体
基于1个网页-相关网页
helium oxygen mixture 氦氧混合气
helium-oxygen gas mixture 氦氧混合气
helium-oxygen-nitrogen mixture 氦氧氮混合气
helium-nitrogen-oxygen mixture 氦氮氧混合气
helium - oxygen breathing mixture 氦氧呼吸混合气
·2,447,543篇论文数据，部分数据来源于NoteExpress
It is suggested that helium-oxygen mixture with lower helium concentration can be used in oxygen therapy or rehabilitation therapy in COPD patients and decrease its clinical costs.
可采用较低氦浓度的氦氧混合气体对慢阻肺患者进行氧疗或康复治疗。
youdao
应用推荐
模块上移
模块下移
不移动