单选题
发布日期:2021-03-22
the plant should be prohibited to supplying air
the plant should work at intervals
the plant should be added disinfector in time
we should check strength of activated sludge, ivory-white color is best
题王网让考试变得更简单
扫码关注题王,更多免费功能准备上线!
此试题出现在
在DNS中,正向解析是指(3),记录类别(4)不是用于正向解析的,而是用于反向解析的。空白处(3)应选择()
冯·诺依曼(Von Neumann)在他的EDVAC计算机方案中,提出了两个重要的概念,它们是( )。
固定资产投资按按行业分类不包括()。
一台空压机启动时压力为0.6MPa,放空阀全关,由于工艺需要,机后压力设为0.535MPa,放空量增多,此时,空压机电流表读数()
朝鲜族著名歌舞有()。
对于药物中的硫酸盐进行检查时,所用的显色剂是()。
关于尿比重测定,正确的是()
在进行挖电缆沟施工时,对挖出的既有电缆要进行有效()后方可继续施工,且施工人员将既有电缆用软土掩埋后方可撤离施工现场。
听觉信号包括()发出的音响或机车、轨道车的鸣笛声等。
下列关于食品保藏原理叙述错误的是()
暂无相关推荐~
Concerning the management of sewage treatment plant using activated sludge, whic...
Concerning the management of sewage treatment plant using activated sludge, whic...
The basic process of biological sewage treatment consists of the liquor either b...
A number of biological sewage treatment plants are in use at sea but nearly all ...
Disinfector in the sewage biological treatment plant usually is ()
The basic process of biological sewage treatment consists of the liquor either b...
Most marine biological sewage treatment plants consist of all the following stat...
Before marine sewage treatment plant works () should be filled with fresh water.
Which of the following is NOT among the solutions to the lack of sewage water tr...
Disinfector in the sewage biological treatment plant usually is ()