Was she installing a brush on the machine?
她是在把电刷安在机器上吗？
This machine has brush roller and water powder-removing dual function.
本机具有毛刷辊和水除粉两道功能。
Method: Compare Brush Washing-vial Machine with Vhrasonic Washing-vial Machine.
方法：采用毛刷式洗瓶机及超声波式洗瓶机洗瓶，加以比较。
Method: Compare Brush Washing-vial Machine with Vhrasonic Washing-vial Machine.
方法：采用毛刷式洗瓶机及超声波式洗瓶机洗瓶，加以比较。
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