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【单选题】
变压器的额定容量一般用( )功率来表示,标明的是最大一线圈的容量。A.
kvar
B.
kW
C.
kVA
D.
kA
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皮皮学刷刷变学霸
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【简答题】运量是绝定()的主要指标。
【简答题】1的HCl溶液浓度约为______mol/L；1:5的H 2 SO 4 溶液浓度约为______mol/L。
【单选题】is defined as a region in space or a quantity of matter bounded by a closed surface.
A.
The boundary
B.
Thermodynamics
C.
A thermodynamic system
D.
The surroundings
【简答题】逆向地址解析协议
【单选题】Variation is defined as the angle _____.
A.
Between the direction of true (geographic) north and the direction of the meridian between the magnetic poles
B.
Between the magnetic north and vessel’s course
C.
Between the vessel’s heading and the magnetic north
D.
Between the compass north and the magnetic north
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