欢迎来到牛牛题库网
牛牛题库官网
登录
注册
首页
搜题找答案
单项选择题
关于膜生物反应器,下列说法中哪项错误?( )
A.可不设二沉池
B.实现了生物固体平均停留时间与污水的水力停留时间的分离
C.膜组件中,膜材料常用反渗透膜
D.膜生物反应器分好氧和厌氧两大类
点击查看答案&解析
相关考题
单项选择题
When the narrator is beaten by his mother, how does the poet comfort him?
A.He brings him to the race-course and together they gaze into the starry night sky
B.He brings me to the wilderness to look at the stars
C.He holds him in his arms and comforts him
D.He invites him over to his house and makes him herbal tea
单项选择题
因制冷剂R22与润滑油有一定相溶性,在设计制冷管路系统时应注意下列哪一项问题?( )
A.不考虑润滑油问题
B.应考虑满液式蒸发器回油和压缩机出口润滑油分离问题
C.应考虑压缩机吸气管回油问题
D.应考虑蒸发器、压缩机吸气管回油和压缩机出口润滑油分离问题
单项选择题
会计核算应该以收付实现制为基础。
A、正确
B、错误
关注
顶部
微信扫一扫,加关注免费搜题