当设计对涂层厚度无要求时，涂层干漆膜总厚度：室外应为（ ）μm，室内应为（ ）μm。
A．150125
B．175 150
C．125100
参考答案：A
It is not rare in that people in fifties were going to university for further education．
A．90s; the
B．the 90s；/
C．90s; their
D．the 90s; their
下列烧杯中盛装的溶液属于碱溶液的是 [ ]
A．
B．
C．
D．
