双活塞式液压自由活塞发动机是将内燃机与液压泵集成为一体的新型动力机械。
The objective of the study is to analyze one particular engine, the dual hydraulic free piston engine-DHFPE.
本发明公开一种活塞式缸盖内燃机，涉及一种内燃机。
The invention discloses a piston type cylinder cap internal-combustion engine, which relates to an internal-combustion engine.
本发明公开一种活塞式缸盖内燃机，涉及一种内燃机。
The invention discloses a piston type cylinder cap internal-combustion engine, which relates to an internal-combustion engine.
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