... scraper signaller 清管器信号装置 scraper station 清管器收发站 scraper trap 刮管器取出装置 ...
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Equipment of water supply and purification station: intake pump, rotary filtering net, mud scraper, chemical feeding pump and chlorine feeding device, etc.
给水净化站设备：进水泵、扭转滤网、刮泥机、加药泵、加氯装置等。
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