Then the supersonic ejector is used, the high frequency noise will take place when the pressure in store tanks decreases to a specific value, and the environment of.

但使用超音速引射器后，当球罐压力下降到某一值时会产生高频噪声，影响管束区操作环境。

youdao

Then the supersonic ejector is used, the high frequency noise will take place when the pressure in store tanks decreases to a specific value, and the environment of.

但使用超音速引射器后，当球罐压力下降到某一值时会产生高频噪声，影响管束区操作环境。

youdao