This is made possible by the variable intake system with a throttle valve enlarged from 76 to 82 millimeters, the optimized cylinder heads and an exhaust system with low backpressure.
2
对于大型反重力铸造设备的气路系统，重点从气路系统的进气环节、调节环节和排气环节进行了设计研究。
Thirdly, the paper provides lots of information on the pneumatic system of the equipment, puts emphasis on the design of gas-in part, adjustment part and gas-out part of different systems.
3
此系统用一个排气扇，手动调节反压闸，压差传感器和一个进气过滤器压差高报警开关。
The system uses a vent fan, a manually adjustable backpressure damper, a differential pressure-sensing gage, and an inlet air filter high differential pressure alarm switch.
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