liquid helium

• 液态氦

liquid helium的用法和样例：

例句

1. However, materials must be suitable for use at the extremely low temperatures of liquid helium.
   材料必须适用于液态氦的极低的温度。
2. It would not make sense to inject that much power into one point of the grid, and liquid helium is a cumbersome coolant.
   在电力网的某个点，输入那麽大的电力没什麽意义，液态氦这种冷却剂也不容易处理。