HAYDEN ACCEPTING SEPTIC TANK WASTE PLANT TAKING SMALL AMOUNTS TO SEE IF SYSTEM CAN HANDLE ITAlison Boggs Staff writer
a整个工艺包括化粪池、一级高效藻类塘、二级高效藻类塘和水生生物塘,各个处理设施依次串联运行(见图1)。 The entire craft including the septic tank, the level highly effective algae pond, two level of highly effective algae ponds and the aquatic biological pond, processes the facility to connect the ...
oxygen-uptaking device, the safety oxygen-uptaking device in the utility model is advantaged by simple structure, low cost; no need of oxygen sources, safety and reliability, and particular suitability for desilting work for an inspection shaft or a septic tank, or paint work, coating work,...