This paper introduced a measuring chamberlet method and character for flow-noise in seawater pipe system and analyzed inferior-limited frequency of reverberation of measuring chamberlet.
摘要介绍了海水管路系统中流噪声的小室法及其特点,分析了
小室的声场特性及产生混响的下
频率。
This paper introduced a measuring chamberlet method and character for flow-noise in seawater pipe system and analyzed inferior-limited frequency of reverberation of measuring chamberlet.
摘要介绍了海水管路系统中流噪声的小室法及其特点,分析了
小室的声场特性及产生混响的下
频率。
By deenergizing of coil, the control air actuates the3- way valve( pos. no.29 through the pipe named“ SUPPLY” and the3- way magnet valve( pos. no.73, right frame).
由线圈的断,控制空气促动三通
29通过supply管路和三通
73右位。
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