液氦试验发现：氦气渗透是影响玻璃钢液氦杜瓦性能的重要因素，应予以重视。

After liquid-helium test we find that helium permeability is an important factor for FRP liquid-helium dewar.

youdao

液氦试验发现：氦气渗透是影响玻璃钢液氦杜瓦性能的重要因素，应予以重视。

After liquid-helium test we find that helium permeability is an important factor for FRP liquid-helium dewar.

youdao