The chamber is first filled to a reference level and the volume recorded.
把水银装入容器中达到一个参考高度，记录此时的水银体积；
It is the important reference for the evaluation of anechoic chamber performances.
为评估全电波暗室的性能提供重要技术依据。
It is the important reference for the evaluation of fully anechoic chamber performances.
为评估全电波暗室的性能提供重要技术依据。
It is the important reference for the evaluation of fully anechoic chamber performances.
为评估全电波暗室的性能提供重要技术依据。
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