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。
2
Now you see the piston, and the metal ring; this parts will insert into the back end of the barrel. the end cap you are seeing the from T1 test shot, not good yet.