Short rod bacteria and spirillum were dominant in the denitrifying reactor.While cocci were the dominant bacteria in the nitrifying reactor.
于脱
是以短杆
和弯曲杆为优势，而于
则是以球为主要
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.
外，
胞壁有助于保持其
状：圆菌称为球菌，棒状菌叫做杆菌，螺
是螺菌，有些菌具有不同态，因它们被称为多菌。
