单项选择题

Which of the following terms could be applied to the simple definition the energy of motion?（）

A.Electrical energy
B.Thermal energy
C.Potential energy
D.Kinetic energy

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单项选择题

A.sliding block
B.pintle
C.reaction ring
D.tilting box or swash plate

单项选择题

A.overfeeding of the expansion valve
B.damage to the condenser
C.constant running of the compressor
D.flooding of the receiver

单项选择题

A.horsepower
B.work
C.heat
D.velocity