A、A.the same piston
B、B.the piston nearby
C、C.the other pistons
D、D.the generators on board
更多“The energy for pushing this piston up can be supplied from （）, so that the piston can keep moving up and down.”相关的问题
A、mechanical energy to kinetic energy to potential energy B、mechanical energy to potential energy to kinetic energy C、potential energy to mechanical energy to kinetic energy D、kinetic energy to mechanical energy to potential energy
A、Electrical energy B、Thermal energy C、Potential energy D、Kinetic energy
A、A.Less signal energy is necessary for receiver operation B、B.More signal energy is available at the receiver C、C.It significantly increases the peak power D、D.It increases the signal capacity
A、Energy can be created or destroyed B、Energy may not be transformed C、The total quantity of energy in the universe is always the same D、None of the above
A、Active Energy Manager B、PowerVM Energy Manager C、Power and Energy Manager D、Thermal and Energy Manager
A、In order for a fluid to be pumped, a fluid must be made to flow B、A substance must be cold in order for it to be pumped C、The kinetic energy imparted by the pump can be used to force a liquid through a hydraulic system D、A pump must receive its energy from an external source
A、the main source of energy B、emergency source of electrical power C、the reserve source of energy D、all of above
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