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.
分析了进气总管和进气支管的管长、管径以及进气腔容积对充气系数的影响规律。
The effects of intake chamber volume, diameter and length of inlet duct and inlet manifold on volumetric efficiency were analyzed.
节气门安装法兰主要用于节气门的安装，节气门安装法兰焊接在发动机的进气总管上方以方便节气门和发动机的进气总管的连接。
Throttle flange is used for throttle installation; it's welded on the main air intake pipe of engine to connect with throttle.
节气门安装法兰主要用于节气门的安装，节气门安装法兰焊接在发动机的进气总管上方以方便节气门和发动机的进气总管的连接。
Throttle flange is used for throttle installation; it's welded on the main air intake pipe of engine to connect with throttle.
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