... 集水井 catch pit; collecting manhole; collecting well; collection well; collector well; drainage sump; gulley; gully; inlet well; pumwell; sump well; sunk basin; tapping well; water catchment well 喷水集水式 spray and tray type 污水集水区 sewage catchment area ...
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spray and tray type deaerator 喷雾淋水盘式除氧器
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