With a vacuum boiling evaporator, the remainder of sea water fed to the evaporator is pump

If a bilge pump is able to develop vacuum, but is unable to sufficiently pump out the bilg

Because of the reduced _____ in the vacuum boiling evaporator, some of the sea water boils

A flash－type evaporator discharges heated seawater into a chamber that is maintained at a

A vacuum is initially created in a flash type distilling plant by _____.A.the flashing of

The shutter of the evaporator was blocked with _____, it means there was too much evaporat

菠菜泥的英文是（)。A.Mashed PotatoesB.Boiled SpinachC.MashedspinachD.Boiled beans