空气是声音的传播媒介。
Sound travels through the medium of air.
声音通过空气介质传播。
空气是传播声音的媒介。
Air is the common medium of sound.
空气是声音的普通介质。
Pressure trial medium is nitrogen or air.
试压介质为氮气或空气。
Air is the medium by which sound is transmitted.
空气是声音传播的介质。
That's easy enough to do with air, but water is a much denser medium.
在空气中很容易做到，但在水中这样密集的媒介中就难了。
空气是声音的媒介。
Light travels through the medium of air.
光通过空气传送。
The experiment of seismic model in air medium is a methodical attempt.
利用空气介质进行地震模型试验是一次方法性的尝试。
Cold media is in the air conditioning refrigeration system heat transfer medium.
冷媒是空调制冷系统中传递热量的媒介。
Cold media is in the air conditioning refrigeration system heat transfer medium.
冷媒是空调制冷系统中传递热量的媒介。
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