Short rod bacteria and spirillum were dominant in the denitrifying reactor.While cocci were the dominant bacteria in the nitrifying reactor.
于脱硝槽中是以短
为优势，而于硝化槽中则是以球为主要的优势。
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Additionally, the cell wall helps maintain their shape: the round-shaped bacteria are called cocci, the rod-shaped ones are called bacilli, spiral-shaped ones are spirilla, and sometimes the same bacteria can have multiple forms in which case they're called pleomorphic.
此外，
胞壁有助
其形
：圆形
菌称为球菌，棒菌叫做杆菌，螺旋形是螺旋菌，有些菌具有不同形态，因此它们被称为多形菌。
