问答题简述变风量系统(Variable Air Volume VAV)
问答题
简述变风量系统(Variable Air Volume VAV)
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______ is the address of a variable or a variable in which the address of another variable is stored.A.DirectorB.PointersystemC.ArrayD.Record
______is the address of.a variable or a variable in which the address of another variable is stored.A.DirectorB.PointerC.ArrayD.Record
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单选题The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and ().Areduce water temperatureBreduce water turbulenceCprovide an air cushionDallow for an increase in water volume as the engine warms up
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