题目
what is steam engine?how does it work and how effect is it?
could somebody help me with this stupid question?please
could somebody help me with this stupid question?please
提问时间:2021-04-01
答案
The steam engine is the steam energy is converted to mechanical work of the reciprocating power machinery.Steam in the steam engine piston according to one or both sides of the work, the role can be d...
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