本文研究了废铬鞣液在浸酸、铬鞣和复鞣循环系统中的变化。
The changes of used chrome tan liquor in pickling -tanning and retanning recycling system had been study.
系统以超声波作为检测信号源，采用多探头多方位扫描、液浸法的方式对齿轮进行检测。
The system uses ultrasonic wave as signal source, with the multi-probe multi-directions sweep, and fluid soak method test the gear.
系统以超声波作为检测信号源，采用多探头多方位扫描、液浸法的方式对齿轮进行检测。
The system uses ultrasonic wave as signal source, with the multi-probe multi-directions sweep, and fluid soak method test the gear.
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