Equipment of water supply and purification station: intake pump, rotary filtering net, mud scraper, chemicalfeeding 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。
2
Under anaerobic conditions (where oxygen is absent) they metabolise the fuel by feeding off it and in doing so produce natural chemical reactions that produce a current.
在厌氧条件下(比如缺氧的地方)通过取食产生新诚代谢并以此引起化学反应产生电流。
3
Avoid mixing together medications intended for administration through an enteral feeding tube, given the risks of physical and chemical incompatibilities, tube obstruction, and altered drug responses.