减少炉底蒸汽，关小进气阀门。
燃油直喷到引擎(而不是到进气总管、进气阀门的上边)也有有益效果。
Injecting fuel directly into the engine (rather than into the inlet manifold, upstream of the inlet valves) also has beneficial effects.
本发动机自动进气、自动排气，而省去了进、排气阀门及传动系统。
It automatically admits and exhausts the gas, thus omitting gas inlet and outlet valves and driving system.
该空压机在运行时活塞始终在旋转，且运行一周，自动完成进、排气两个压力循环，无须进、排气阀门等配气机构。
When it works, the piston rotates all the time, and runs a circle to automatically complete two pressure circulations of charging and exhausting without air distributing mechanism.
该空压机在运行时活塞始终在旋转，且运行一周，自动完成进、排气两个压力循环，无须进、排气阀门等配气机构。
When it works, the piston rotates all the time, and runs a circle to automatically complete two pressure circulations of charging and exhausting without air distributing mechanism.
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