單項(xiàng)選擇題加壓(0.7MPa)溶劑回收,塔頂依次采出的為()-以下均為含水量表示。

A.10%,5%,0.5%
B.0.5%,5%,10%
C.5%,10%,0.5%
D.5%,0.5%,10%


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2.單項(xiàng)選擇題輕組分在絕壓2KPa下的沸點(diǎn)為()℃

A.187
B.174
C.157
D.220

3.單項(xiàng)選擇題HMDA在絕壓2KPa下的沸點(diǎn)為()℃

A.187
B.174
C.167
D.220

4.單項(xiàng)選擇題THF/H2O在0.7Mpa下沸點(diǎn)()

A.148
B.138
C.134
D.99

5.單項(xiàng)選擇題THF在0.7Mpa下沸點(diǎn)()

A.99
B.134
C.148
D.138