·2,447,543篇论文数据，部分数据来源于NoteExpress
If any of return sludge pumps is in off mode, it will be regarded as standby unit. If fault is found on duty pump, the standby pump will be automatically change over.
没有启动的污泥回流泵作为备用泵，如主泵发生故障，备用泵自动切入。
youdao
应用推荐
模块上移
模块下移
不移动