题目内容

（）istheproductionofpurewaterfromseawaterbyevaporationandre-condensing.

A. Evaporation
B. Circulation
Condensation
Distillation

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Whenavacuumboilingevaporatorworks,thehotjacketwaterwillpassoverthetubestackand（）theseawaterpassingthroughthetubes.

A. dispose
B. dissolve
C. heat
D. dissipates

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Withavacuumboilingevaporator,theremainderofseawaterfedtotheevaporatorispumpedoutby（）.

A. abrinepump
B. anairejector
C. afeedpump
D. distillatepump

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Inavacuumboilingevaporator,thefreshwatergeneratedispumpedoutby（）.

A. abrinepump
B. anairejector
C. afeedwaterpump
D. acondensatepump

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AvesselputsintotheportofKobe，Japantodischargecargo.Whileawaitingcompletionofthecargooperation，thevesselcontractswithalocalshipyardtohavethehullchipped，scaled，andpainted.HowisthecostofthismaintenancehandledwiththeCollectorofCustoms?（）

Adeclarationisrequiredanddutyisinvolvedonthetotalcost
B. Nodeclarationisrequiredsincethisisconsideredroutinemaintenance
C. Adeclarationismadeanddutyischargedonthematerialsonly
D. Adeclarationismade，butdutyischargedonthelaboronly

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（）istheproductionofpurewaterfromseawaterbyevaporationandre-condensing.

A. Evaporation B. Circulation Condensation Distillation

Whenavacuumboilingevaporatorworks,thehotjacketwaterwillpassoverthetubestackand（）theseawaterpassingthroughthetubes.

Withavacuumboilingevaporator,theremainderofseawaterfedtotheevaporatorispumpedoutby（）.

Inavacuumboilingevaporator,thefreshwatergeneratedispumpedoutby（）.

AvesselputsintotheportofKobe，Japantodischargecargo.Whileawaitingcompletionofthecargooperation，thevesselcontractswithalocalshipyardtohavethehullchipped，scaled，andpainted.HowisthecostofthismaintenancehandledwiththeCollectorofCustoms?（）

A. Evaporation
B. Circulation
Condensation
Distillation