helium diving bell 充氦气的潜水钟 ; [仪] 充氦潜水钟
helium diving bel 充氦潜水钟
oxy - helium diving accident 氦
oxy - helium diving apparatus 氦
helium-oxygen diving 氦氧潜水 ; 氦
helium-oxygen diving equipment 氦氧潜水装置
helium-nitrogen-oxygen saturation diving 氮 ; 氦
In this paper, it is introduced of underwater operating mission when installing petroleum drilling platform and medical guarantee for air diving and oxygen-helium diving.
文章介绍了石油钻井平台安装时的水下作业任务以及空气潜水和氮氧潜水医务保障情况。
Uses: Helium is used in balloons and in deep-sea diving to dilute oxygen that divers breathe.
用途：氦被用于气球中，也用于深海潜水。在深海潜水中，氦用来稀释潜水员所呼吸的氧气。
Diver's 300 + m for mixed-gas diving Suitable for saturation diving (helium enriched environment).
潜水员的300 +米混合气潜水适用于饱和潜水(氦丰富的环境)。
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