机械英语usm

machinery;machine;mechanical

Machine is an artificial combination of physical components. Between the various parts of machinery to determine the relative motion. The machine has the characteristics of institutions, but also must have the third characteristic that is able to replace human labor in order to complete a useful mechanical work or conversion of mechanical energy, so the machine can be useful to convert mechanical energy or completed on behalf of the mechanical principle of the basic concepts, the Chinese Mechanical The modern concept of the multi-Japanese from the "mechanical" in Japan's mechanical engineering of the machine to make the following definition of the concept ofMachinery is a combination of objects, assuming that power added to the deformation of its parts is difficult.These objects have to each other, and a single to put the energy into the most useful form, or converted into an effective mechanical

machinery，machine，mechanism，mechannical，inflexcible，rigid，cunning，shrewd-- 希望能帮到你- -

mechanism

machine /machinery /engine 都可以

这应该是化学方面的，不是机械。