单选题
__1__
- T
- F
单选题
__2__
- T
- F
单选题
__3__
- T
- F
单选题
__4__
- T
- F
单选题
__5__
- T
- F
匹配题
正交实验法在过滤实验中的应用实验中，以下操作步骤的先后顺序是？
1
In
at
on
of
配置正交表
2
on
at
for
to
开启总电源
3
启动真空泵
more
less
most
much
4
looked
to look
looking
look
启动加热器
5
单选题
1
In
at
on
of
配置正交表
单选题
2
on
at
for
to
开启总电源
单选题
3
启动真空泵
more
less
most
much
单选题
4
looked
to look
looking
look
启动加热器