当机油经过发动机的热的部件时，它将带走一定量的热量。
As the lubricating oil passes over a hot engine part, it removes a certain amount of heat.
在这一点上残留或灰尘微粒的控制，以建立或不重视热发动机部件或建立在石油以来的粒子悬浮在油。
At this point residue or dirt particles are controlled to not build up or attach to hot engine parts or build up in the oil since the particles are suspended inside the oil.
热声发动机利用热声效应把热能转化为声功，系统中不存在任何机械运动部件。
A thermoacoustic engine converts thermal energy into acoustic power by thermoacoustic effect without any mechanical moving parts.
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