Heat transfer can change an object's mechanical energy.
热传递能够改变物体的机械能。
By heat engine people mean an engine converting heat energy into mechanical work.
热机是指把热能转变为机械功的一种发动机。
Heat must be mechanical energy if every problem is a mechanical one.
如果每一个问题都是力学问题，那么热必须是机械能。
Heat is thereby converted into mechanical energy of the piston.
热由此转换成活塞的机械能。
Electrical energy as well as heat can be converted into mechanical energy.
电能和热能一样可以转化为机械能。
During the flow we manage to change some of the heat into mechanical energy.
在流传中我们设法把部分热变成机械能。
During the flow we manage to change some of the heat into mechanical energy.
在流传中我们设法把部分热变成机械能。
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