The flash-evaporator is different with the submerged-tube evaporator in that for the former（）<br>A:Water is heated into vapor on heating surfaces<br>B:Water is vaporized by pressure difference<br>C:There are no heating-transfer surfaces<br>D:There are more heating-transfer surfaces

The flash-evaporator is different with the submerged-tube evaporator in that for the former（）
A:Water is heated into vapor on heating surfaces
B:Water is vaporized by pressure difference
C:There are no heating-transfer surfaces
D:There are more heating-transfer surfaces

出自：海船船员证

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